| Lanham to Robertsville (New Jersey) | 165.62 mi (266.54 km) |
| Lanham to Robinson (Texas) | 1,253.26 mi (2,016.93 km) |
| Lanham to Robstown (Texas) | 1,422.67 mi (2,289.57 km) |
| Lanham to Rochester (Michigan) | 416.88 mi (670.90 km) |
| Lanham to Rochester (Minnesota) | 879.55 mi (1,415.50 km) |
| Lanham to Rochester (New Hampshire) | 427.46 mi (687.94 km) |
| Lanham to Rochester (New York) | 293.39 mi (472.16 km) |
| Lanham to Rochester Hills (Michigan) | 417.49 mi (671.88 km) |
| Lanham to Rock Hill (South Carolina) | 361.14 mi (581.19 km) |
| Lanham to Rock Island (Illinois) | 744.50 mi (1,198.16 km) |
| Lanham to Rock Springs (Wyoming) | 1,706.35 mi (2,746.10 km) |
| Lanham to Rockford (Illinois) | 679.60 mi (1,093.70 km) |
| Lanham to Rockledge (Florida) | 768.41 mi (1,236.63 km) |
| Lanham to Rocklin (California) | 2,363.99 mi (3,804.47 km) |
| Lanham to Rockport (Texas) | 1,383.99 mi (2,227.32 km) |
