| Isabela to Bicaz | 5,435.28 mi (8,747.24 km) |
| Isabela to Bistrita | 5,358.87 mi (8,624.27 km) |
| Isabela to Blaj | 5,347.67 mi (8,606.24 km) |
| Isabela to Bocsa | 5,256.67 mi (8,459.79 km) |
| Isabela to Boldesti-Scaeni | 5,466.51 mi (8,797.49 km) |
| Isabela to Bolintin Vale | 5,464.23 mi (8,793.83 km) |
| Isabela to Borsa | 5,357.62 mi (8,622.26 km) |
| Isabela to Botosani | 5,446.28 mi (8,764.95 km) |
| Isabela to Brad | 5,296.03 mi (8,523.13 km) |
| Isabela to Bragadiru | 5,475.99 mi (8,812.76 km) |
| Isabela to Braila | 5,552.25 mi (8,935.49 km) |
| Isabela to Brasov | 5,435.64 mi (8,747.81 km) |
| Isabela to Breaza | 5,446.35 mi (8,765.05 km) |
| Isabela to Bucharest | 5,480.99 mi (8,820.80 km) |
| Isabela to Buftea | 5,471.15 mi (8,804.96 km) |
