| Cayenne to Bistrita | 5,350.63 mi (8,611.01 km) |
| Cayenne to Blaj | 5,315.59 mi (8,554.62 km) |
| Cayenne to Bocsa | 5,203.24 mi (8,373.80 km) |
| Cayenne to Boldesti-Scaeni | 5,409.55 mi (8,705.83 km) |
| Cayenne to Bolintin Vale | 5,392.83 mi (8,678.92 km) |
| Cayenne to Borsa | 5,362.20 mi (8,629.62 km) |
| Cayenne to Botosani | 5,455.67 mi (8,780.05 km) |
| Cayenne to Brad | 5,261.79 mi (8,468.03 km) |
| Cayenne to Bragadiru | 5,403.11 mi (8,695.46 km) |
| Cayenne to Braila | 5,504.41 mi (8,858.49 km) |
| Cayenne to Brasov | 5,393.38 mi (8,679.80 km) |
| Cayenne to Breaza | 5,392.61 mi (8,678.57 km) |
| Cayenne to Bucharest | 5,409.79 mi (8,706.22 km) |
| Cayenne to Buftea | 5,403.01 mi (8,695.30 km) |
| Cayenne to Buhusi | 5,451.40 mi (8,773.19 km) |
