| Carlow to Bormujos | 1,069.26 mi (1,720.81 km) |
| Carlow to Brenes | 1,057.03 mi (1,701.12 km) |
| Carlow to Brunete | 869.92 mi (1,400.01 km) |
| Carlow to Bueu | 731.48 mi (1,177.21 km) |
| Carlow to Bullas | 1,051.91 mi (1,692.89 km) |
| Carlow to Bunol | 971.28 mi (1,563.13 km) |
| Carlow to Burela de Cabo | 634.68 mi (1,021.42 km) |
| Carlow to Burgos | 740.06 mi (1,191.01 km) |
| Carlow to Burjasot | 971.12 mi (1,562.87 km) |
| Carlow to Burriana | 950.70 mi (1,530.01 km) |
| Carlow to Cabanaquinta | 675.17 mi (1,086.59 km) |
| Carlow to Cabanillas del Campo | 860.10 mi (1,384.20 km) |
| Carlow to Cabra | 1,068.33 mi (1,719.31 km) |
| Carlow to Caceres | 922.60 mi (1,484.78 km) |
| Carlow to Cadiz | 1,126.34 mi (1,812.66 km) |
