How far is Roswell, NM from Los Alamos, NM?
The driving distance from Roswell, NM to Los Alamos, NM is about 226.4 miles (364.3 km), with a travel time of about 04h 37m by car.
- The straight-line flight distance is about 199.8 miles (321.6 km).
- For a round trip, plan for roughly 09h 14m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 37m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Torrance County, New Mexico, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Roswell and Los Alamos.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roswell and Los Alamos.
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1
Start on West 2nd Street
657 ft · 28 sec · West 2nd Street
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2
Turn left onto North Main Street
97.8 mi · 1 hr 53 min · North Main Street
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3
Continue straight
83.2 mi · 1 hr 39 min
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4
Turn left
1168 ft · 29 sec
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5
Merge slight left
5.9 mi · 6 min
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6
Take the exit slight right toward NM 466: Old Pecos Trail
981 ft · 24 sec
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7
Keep slight right
152 m · 13 sec
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8
Turn straight onto Old Pecos Trail
1.2 mi · 2 min · Old Pecos Trail
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9
Keep slight right to continue on Old Pecos Trail
1.7 mi · 3 min · Old Pecos Trail
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10
Continue on Old Santa Fe Trail
3030 ft · 1 min · Old Santa Fe Trail
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11
Turn left onto East Alameda Street
2130 ft · 1 min · East Alameda Street
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12
Turn right onto North Guadalupe Street
1.4 km · 2 min · North Guadalupe Street
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13
Take the ramp straight
1392 ft · 34 sec
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14
Merge slight left onto North Saint Francis Drive
1.5 mi · 2 min · North Saint Francis Drive
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15
Continue on Taos Highway
12.2 mi · 14 min · Taos Highway
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16
Continue on Santa Fe Highway
1.5 km · 2 min · Santa Fe Highway
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17
Take the exit slight right toward NM 502: Los Alamos Highway
787 ft · 22 sec
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18
Keep slight left to continue on NM 502: Los Alamos Highway
149 m · 15 sec
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19
Merge slight right onto Los Alamos Highway
16.4 mi · 24 min · Los Alamos Highway
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20
Enter the roundabout and take exit 2 toward Central Avenue
29 m · 1 sec · Central Avenue
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21
Exit the roundabout onto Central Avenue
1.5 km · 2 min · Central Avenue
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22
Continue on Canyon Road
3265 ft · 1 min · Canyon Road
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23
Turn right onto Diamond Drive
1519 ft · 40 sec · Diamond Drive
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24
Turn right onto Orange Street
2188 ft · 1 min · Orange Street
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25
Continue on Orange Street
1339 ft · 46 sec · Orange Street
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26
Arrive at your destination
0 m · 1 sec · Orange Street
Car Route Details
A richer read on the saved driving route between Roswell and Los Alamos.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Main Street
Turn left onto North Main Street
97.8 mi · 01h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Scattered Showers And Thunderstorms leaving Roswell and Partly Sunny then Chance Showers And Thunderstorms near Los Alamos.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roswell to Los Alamos?
The road trip is about 226.4 miles (364.3 km) and usually takes 04h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Encino is a useful midpoint, sitting about 113.3 miles from Roswell and 113.1 miles from Los Alamos.
How much longer is the road route than the straight-line distance?
The direct path is about 199.8 miles (321.6 km), while the road route adds roughly 26.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:46 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.26 one way or $60.52 round trip. Estimated CO2 is about 71 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Roswell and Partly Sunny then Chance Showers And Thunderstorms near Los Alamos.
Stop Ideas Near Encino
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Encino.
Lamy station
Las Vegas station
Alvarado Transportation Center
Flight Path Map
This map shows the direct air route between Roswell and Los Alamos. Straight-line distance: 199.86 mi (321.65 km).
#1 Roswell
A city in Chaves County, New Mexico.
| Population | 47,596 |
| Coordinates | 33.3943700, -104.5249100 |
| Altitude | 1090 |
| Country | United States |
#2 Los Alamos
Townsite in New Mexico
| Population | 12,019 |
| Coordinates | 35.8880800, -106.3069700 |
| Altitude | 2198 |
| Country | United States |
End: Los Alamos (-106.30697, 35.88808)
Estimated Travel Time
Distance: 364 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 32m |
| 40 mph (64.37 km/h) | 05h 39m |
| 50 mph (80.47 km/h) | 04h 31m |
| 60 mph (96.56 km/h) | 03h 46m |
| 70 mph (112.65 km/h) | 03h 14m |
| 80 mph (129 km/h) | 02h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $30.26 | $60.52 |
| Mid-grade | $4.26 | $34.03 | $68.06 |
| Premium | $4.63 | $36.95 | $73.91 |
| Diesel | $5.42 | $43.27 | $86.53 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New Mexico · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.