| Boortmeerbeek to Rockville (Maryland) | 3,864.44 mi (6,219.22 km) |
| Boortmeerbeek to Rockville Centre (New York) | 3,651.59 mi (5,876.66 km) |
| Boortmeerbeek to Rockwall (Texas) | 4,923.30 mi (7,923.29 km) |
| Boortmeerbeek to Rocky Mount (North Carolina) | 4,035.05 mi (6,493.78 km) |
| Boortmeerbeek to Rocky Point (New York) | 3,611.28 mi (5,811.80 km) |
| Boortmeerbeek to Rocky River (Ohio) | 3,941.38 mi (6,343.04 km) |
| Boortmeerbeek to Roessleville (New York) | 3,569.99 mi (5,745.35 km) |
| Boortmeerbeek to Rogers (Arkansas) | 4,661.34 mi (7,501.71 km) |
| Boortmeerbeek to Rogers (Minnesota) | 4,198.80 mi (6,757.31 km) |
| Boortmeerbeek to Rohnert Park (California) | 5,489.38 mi (8,834.30 km) |
| Boortmeerbeek to Rolla (Missouri) | 4,489.16 mi (7,224.61 km) |
| Boortmeerbeek to Rolling Meadows (Illinois) | 4,147.84 mi (6,675.30 km) |
| Boortmeerbeek to Roma (Texas) | 5,367.25 mi (8,637.76 km) |
| Boortmeerbeek to Rome (Georgia) | 4,416.10 mi (7,107.03 km) |
| Boortmeerbeek to Rome (New York) | 3,614.58 mi (5,817.11 km) |
