| Lanham to Ridgeland (Mississippi) | 871.32 mi (1,402.25 km) |
| Lanham to Ridgewood (New Jersey) | 200.90 mi (323.31 km) |
| Lanham to Rifle (Colorado) | 1,647.27 mi (2,651.02 km) |
| Lanham to Rincon (Georgia) | 522.40 mi (840.72 km) |
| Lanham to Ringwood (New Jersey) | 200.97 mi (323.44 km) |
| Lanham to Río Grande (Puerto Rico) | 1,567.80 mi (2,523.14 km) |
| Lanham to Rio Grande City (Texas) | 1,539.22 mi (2,477.14 km) |
| Lanham to Rio Linda (California) | 2,376.14 mi (3,824.03 km) |
| Lanham to Rio Rancho (New Mexico) | 1,656.68 mi (2,666.16 km) |
| Lanham to Rio Rico (Arizona) | 1,982.35 mi (3,190.29 km) |
| Lanham to Ripon (California) | 2,377.31 mi (3,825.92 km) |
| Lanham to River Edge (New Jersey) | 201.18 mi (323.77 km) |
| Lanham to River Falls (Wisconsin) | 905.98 mi (1,458.04 km) |
| Lanham to River Forest (Illinois) | 611.34 mi (983.86 km) |
| Lanham to River Grove (Illinois) | 612.81 mi (986.22 km) |
