| Nairn to Bicaz | 1,448.96 mi (2,331.88 km) |
| Nairn to Bistrita | 1,382.81 mi (2,225.41 km) |
| Nairn to Blaj | 1,407.67 mi (2,265.43 km) |
| Nairn to Bocsa | 1,372.87 mi (2,209.42 km) |
| Nairn to Boldesti-Scaeni | 1,536.04 mi (2,472.02 km) |
| Nairn to Bolintin Vale | 1,555.47 mi (2,503.29 km) |
| Nairn to Borsa | 1,364.72 mi (2,196.30 km) |
| Nairn to Botosani | 1,431.82 mi (2,304.29 km) |
| Nairn to Brad | 1,371.52 mi (2,207.24 km) |
| Nairn to Bragadiru | 1,566.72 mi (2,521.39 km) |
| Nairn to Braila | 1,591.59 mi (2,561.42 km) |
| Nairn to Brasov | 1,490.86 mi (2,399.30 km) |
| Nairn to Breaza | 1,515.68 mi (2,439.26 km) |
| Nairn to Bucharest | 1,568.06 mi (2,523.55 km) |
| Nairn to Buftea | 1,555.96 mi (2,504.07 km) |
