| Carlow to Brie-Comte-Robert | 505.01 mi (812.74 km) |
| Carlow to Brignais | 721.04 mi (1,160.39 km) |
| Carlow to Brignoles | 882.36 mi (1,420.03 km) |
| Carlow to Brive-la-Gaillarde | 653.45 mi (1,051.62 km) |
| Carlow to Bron | 722.95 mi (1,163.47 km) |
| Carlow to Bruay-sur-l'Escaut | 479.11 mi (771.05 km) |
| Carlow to Bruges | 619.17 mi (996.46 km) |
| Carlow to Brumath | 697.82 mi (1,123.03 km) |
| Carlow to Brunoy | 500.95 mi (806.21 km) |
| Carlow to Bruz | 402.71 mi (648.11 km) |
| Carlow to Bry-sur-Marne | 495.53 mi (797.47 km) |
| Carlow to Bully-les-Mines | 445.32 mi (716.67 km) |
| Carlow to Bures-sur-Yvette | 488.80 mi (786.65 km) |
| Carlow to Bussy-Saint-Georges | 501.86 mi (807.67 km) |
| Carlow to Buxerolles | 539.13 mi (867.64 km) |
