| Los Alamos to Ridgeland (Mississippi) | 952.05 mi (1,532.17 km) |
| Los Alamos to Ridgewood (New Jersey) | 1,765.93 mi (2,841.98 km) |
| Los Alamos to Rifle (Colorado) | 264.52 mi (425.70 km) |
| Los Alamos to Rincon (Georgia) | 1,450.62 mi (2,334.55 km) |
| Los Alamos to Ringwood (New Jersey) | 1,757.65 mi (2,828.66 km) |
| Los Alamos to Río Grande (Puerto Rico) | 2,739.88 mi (4,409.40 km) |
| Los Alamos to Rio Grande City (Texas) | 791.07 mi (1,273.11 km) |
| Los Alamos to Rio Linda (California) | 854.08 mi (1,374.51 km) |
| Los Alamos to Rio Rancho (New Mexico) | 47.81 mi (76.94 km) |
| Los Alamos to Rio Rico (Arizona) | 406.54 mi (654.26 km) |
| Los Alamos to Ripon (California) | 830.07 mi (1,335.87 km) |
| Los Alamos to River Edge (New Jersey) | 1,769.73 mi (2,848.10 km) |
| Los Alamos to River Falls (Wisconsin) | 946.91 mi (1,523.91 km) |
| Los Alamos to River Forest (Illinois) | 1,073.38 mi (1,727.43 km) |
| Los Alamos to River Grove (Illinois) | 1,073.05 mi (1,726.90 km) |
