| Los Alamos to Romeoville (Illinois) | 1,054.39 mi (1,696.87 km) |
| Los Alamos to Romulus (Michigan) | 1,300.33 mi (2,092.68 km) |
| Los Alamos to Ronkonkoma (New York) | 1,817.44 mi (2,924.89 km) |
| Los Alamos to Roosevelt (New York) | 1,793.41 mi (2,886.22 km) |
| Los Alamos to Rosamond (California) | 675.34 mi (1,086.85 km) |
| Los Alamos to Rosaryville (Maryland) | 1,623.58 mi (2,612.89 km) |
| Los Alamos to Roscoe (Illinois) | 1,027.23 mi (1,653.16 km) |
| Los Alamos to Rose Hill (Virginia) | 1,608.35 mi (2,588.39 km) |
| Los Alamos to Roseburg (Oregon) | 1,037.81 mi (1,670.19 km) |
| Los Alamos to Rosedale (California) | 725.76 mi (1,168.00 km) |
| Los Alamos to Rosedale (Maryland) | 1,639.52 mi (2,638.55 km) |
| Los Alamos to Roselle (Illinois) | 1,062.00 mi (1,709.12 km) |
| Los Alamos to Roselle (New Jersey) | 1,757.97 mi (2,829.18 km) |
| Los Alamos to Roselle Park (New Jersey) | 1,757.63 mi (2,828.62 km) |
| Los Alamos to Rosemead (California) | 679.13 mi (1,092.95 km) |
