| Oviedo to Bicaz | 1,564.68 mi (2,518.10 km) |
| Oviedo to Bistrita | 1,489.26 mi (2,396.73 km) |
| Oviedo to Blaj | 1,463.98 mi (2,356.05 km) |
| Oviedo to Bocsa | 1,361.43 mi (2,191.01 km) |
| Oviedo to Boldesti-Scaeni | 1,573.01 mi (2,531.51 km) |
| Oviedo to Bolintin Vale | 1,565.22 mi (2,518.98 km) |
| Oviedo to Borsa | 1,496.56 mi (2,408.47 km) |
| Oviedo to Botosani | 1,589.78 mi (2,558.50 km) |
| Oviedo to Brad | 1,410.39 mi (2,269.81 km) |
| Oviedo to Bragadiru | 1,576.64 mi (2,537.35 km) |
| Oviedo to Braila | 1,664.03 mi (2,677.99 km) |
| Oviedo to Brasov | 1,548.22 mi (2,491.61 km) |
| Oviedo to Breaza | 1,553.90 mi (2,500.76 km) |
| Oviedo to Bucharest | 1,582.28 mi (2,546.44 km) |
| Oviedo to Buftea | 1,573.39 mi (2,532.12 km) |
