| Carlow to Blace | 1,447.30 mi (2,329.20 km) |
| Carlow to Bogatic | 1,312.49 mi (2,112.25 km) |
| Carlow to Bojnik | 1,476.24 mi (2,375.78 km) |
| Carlow to Boljevac | 1,452.41 mi (2,337.43 km) |
| Carlow to Bor | 1,446.40 mi (2,327.76 km) |
| Carlow to Borca | 1,350.29 mi (2,173.08 km) |
| Carlow to Bosilegrad | 1,528.24 mi (2,459.46 km) |
| Carlow to Brus | 1,433.35 mi (2,306.75 km) |
| Carlow to Bujanovac | 1,501.41 mi (2,416.29 km) |
| Carlow to Cacak | 1,384.99 mi (2,228.93 km) |
| Carlow to Cajetina | 1,365.40 mi (2,197.39 km) |
| Carlow to Cicevac | 1,436.46 mi (2,311.75 km) |
| Carlow to Coka | 1,298.43 mi (2,089.63 km) |
| Carlow to Crna Trava | 1,508.16 mi (2,427.15 km) |
| Carlow to Crvenka | 1,280.04 mi (2,060.03 km) |
