| Los Alamos to Rosemont (California) | 848.10 mi (1,364.89 km) |
| Los Alamos to Rosemount (Minnesota) | 924.82 mi (1,488.36 km) |
| Los Alamos to Rosenberg (Texas) | 749.11 mi (1,205.57 km) |
| Los Alamos to Roseville (California) | 848.43 mi (1,365.42 km) |
| Los Alamos to Roseville (Michigan) | 1,325.88 mi (2,133.80 km) |
| Los Alamos to Roseville (Minnesota) | 932.67 mi (1,500.98 km) |
| Los Alamos to Rossmoor (California) | 683.97 mi (1,100.74 km) |
| Los Alamos to Rossville (Maryland) | 1,641.17 mi (2,641.21 km) |
| Los Alamos to Roswell (Georgia) | 1,245.94 mi (2,005.14 km) |
| Los Alamos to Roswell (New Mexico) | 200.70 mi (322.99 km) |
| Los Alamos to Round Lake (Illinois) | 1,068.76 mi (1,720.01 km) |
| Los Alamos to Round Lake Beach (Illinois) | 1,070.75 mi (1,723.21 km) |
| Los Alamos to Round Rock (Texas) | 620.74 mi (998.98 km) |
| Los Alamos to Rowland Heights (California) | 670.19 mi (1,078.57 km) |
| Los Alamos to Rowlett (Texas) | 591.64 mi (952.16 km) |
