| Portes-les-Valence to Blace | 820.26 mi (1,320.08 km) |
| Portes-les-Valence to Bogatic | 714.50 mi (1,149.88 km) |
| Portes-les-Valence to Bojnik | 846.06 mi (1,361.60 km) |
| Portes-les-Valence to Boljevac | 845.20 mi (1,360.23 km) |
| Portes-les-Valence to Bor | 848.90 mi (1,366.17 km) |
| Portes-les-Valence to Borca | 761.40 mi (1,225.35 km) |
| Portes-les-Valence to Bosilegrad | 892.47 mi (1,436.29 km) |
| Portes-les-Valence to Brus | 806.51 mi (1,297.96 km) |
| Portes-les-Valence to Bujanovac | 858.69 mi (1,381.92 km) |
| Portes-les-Valence to Cacak | 765.91 mi (1,232.61 km) |
| Portes-les-Valence to Cajetina | 736.75 mi (1,185.69 km) |
| Portes-les-Valence to Cicevac | 822.07 mi (1,322.99 km) |
| Portes-les-Valence to Coka | 743.40 mi (1,196.38 km) |
| Portes-les-Valence to Crna Trava | 878.10 mi (1,413.16 km) |
| Portes-les-Valence to Crvenka | 710.06 mi (1,142.73 km) |
