| Thorne to Bicaz | 1,271.75 mi (2,046.69 km) |
| Thorne to Bistrita | 1,199.72 mi (1,930.77 km) |
| Thorne to Blaj | 1,212.12 mi (1,950.72 km) |
| Thorne to Bocsa | 1,158.36 mi (1,864.19 km) |
| Thorne to Boldesti-Scaeni | 1,341.28 mi (2,158.58 km) |
| Thorne to Bolintin Vale | 1,354.55 mi (2,179.94 km) |
| Thorne to Borsa | 1,187.97 mi (1,911.85 km) |
| Thorne to Botosani | 1,266.13 mi (2,037.64 km) |
| Thorne to Brad | 1,169.55 mi (1,882.21 km) |
| Thorne to Bragadiru | 1,366.30 mi (2,198.85 km) |
| Thorne to Braila | 1,408.49 mi (2,266.74 km) |
| Thorne to Brasov | 1,299.50 mi (2,091.34 km) |
| Thorne to Breaza | 1,320.38 mi (2,124.94 km) |
| Thorne to Bucharest | 1,368.78 mi (2,202.84 km) |
| Thorne to Buftea | 1,357.00 mi (2,183.88 km) |
