| Opelika to Bicaz | 5,487.28 mi (8,830.93 km) |
| Opelika to Bistrita | 5,417.96 mi (8,719.37 km) |
| Opelika to Blaj | 5,434.36 mi (8,745.77 km) |
| Opelika to Bocsa | 5,379.52 mi (8,657.50 km) |
| Opelika to Boldesti-Scaeni | 5,563.64 mi (8,953.81 km) |
| Opelika to Bolintin Vale | 5,577.41 mi (8,975.98 km) |
| Opelika to Borsa | 5,402.88 mi (8,695.10 km) |
| Opelika to Botosani | 5,473.77 mi (8,809.18 km) |
| Opelika to Brad | 5,392.40 mi (8,678.22 km) |
| Opelika to Bragadiru | 5,589.16 mi (8,994.89 km) |
| Opelika to Braila | 5,627.50 mi (9,056.59 km) |
| Opelika to Brasov | 5,521.06 mi (8,885.28 km) |
| Opelika to Breaza | 5,542.79 mi (8,920.26 km) |
| Opelika to Bucharest | 5,591.62 mi (8,998.84 km) |
| Opelika to Buftea | 5,579.82 mi (8,979.85 km) |
