| Rockville to Boekel | 3,892.42 mi (6,264.24 km) |
| Rockville to Bolsward | 3,849.58 mi (6,195.30 km) |
| Rockville to Borger | 3,901.87 mi (6,279.46 km) |
| Rockville to Borne | 3,916.63 mi (6,303.20 km) |
| Rockville to Boskoop | 3,840.13 mi (6,180.10 km) |
| Rockville to Boxmeer | 3,902.34 mi (6,280.21 km) |
| Rockville to Boxtel | 3,879.60 mi (6,243.61 km) |
| Rockville to Breda | 3,857.25 mi (6,207.65 km) |
| Rockville to Breukelen | 3,851.37 mi (6,198.19 km) |
| Rockville to Brielle | 3,825.14 mi (6,155.97 km) |
| Rockville to Bronkhorst | 3,900.15 mi (6,276.69 km) |
| Rockville to Brummen | 3,898.84 mi (6,274.58 km) |
| Rockville to Brunssum | 3,921.63 mi (6,311.26 km) |
| Rockville to Bunnik | 3,863.61 mi (6,217.88 km) |
| Rockville to Burgum | 3,864.23 mi (6,218.89 km) |
