| Lanham to Rosemont (California) | 2,374.12 mi (3,820.78 km) |
| Lanham to Rosemount (Minnesota) | 923.46 mi (1,486.17 km) |
| Lanham to Rosenberg (Texas) | 1,260.34 mi (2,028.33 km) |
| Lanham to Roseville (California) | 2,368.32 mi (3,811.44 km) |
| Lanham to Roseville (Michigan) | 402.10 mi (647.11 km) |
| Lanham to Roseville (Minnesota) | 934.00 mi (1,503.13 km) |
| Lanham to Rossmoor (California) | 2,301.97 mi (3,704.66 km) |
| Lanham to Rossville (Maryland) | 33.60 mi (54.07 km) |
| Lanham to Roswell (Georgia) | 537.84 mi (865.56 km) |
| Lanham to Roswell (New Mexico) | 1,585.20 mi (2,551.14 km) |
| Lanham to Round Lake (Illinois) | 634.35 mi (1,020.89 km) |
| Lanham to Round Lake Beach (Illinois) | 633.91 mi (1,020.17 km) |
| Lanham to Round Rock (Texas) | 1,313.75 mi (2,114.27 km) |
| Lanham to Rowland Heights (California) | 2,287.32 mi (3,681.09 km) |
| Lanham to Rowlett (Texas) | 1,175.92 mi (1,892.47 km) |
