| Differdange to Rockville (Maryland) | 3,957.56 mi (6,369.08 km) |
| Differdange to Rockville Centre (New York) | 3,743.94 mi (6,025.29 km) |
| Differdange to Rockwall (Texas) | 5,024.64 mi (8,086.38 km) |
| Differdange to Rocky Mount (North Carolina) | 4,125.19 mi (6,638.86 km) |
| Differdange to Rocky Point (New York) | 3,703.45 mi (5,960.13 km) |
| Differdange to Rocky River (Ohio) | 4,040.20 mi (6,502.08 km) |
| Differdange to Roessleville (New York) | 3,664.89 mi (5,898.07 km) |
| Differdange to Rogers (Arkansas) | 4,763.61 mi (7,666.29 km) |
| Differdange to Rogers (Minnesota) | 4,306.77 mi (6,931.08 km) |
| Differdange to Rohnert Park (California) | 5,604.71 mi (9,019.90 km) |
| Differdange to Rolla (Missouri) | 4,591.15 mi (7,388.74 km) |
| Differdange to Rolling Meadows (Illinois) | 4,250.85 mi (6,841.08 km) |
| Differdange to Roma (Texas) | 5,465.89 mi (8,796.50 km) |
| Differdange to Rome (Georgia) | 4,510.40 mi (7,258.79 km) |
| Differdange to Rome (New York) | 3,711.20 mi (5,972.60 km) |
