| Castlebar to Blansko | 1,148.37 mi (1,848.13 km) |
| Castlebar to Bohumin | 1,202.50 mi (1,935.24 km) |
| Castlebar to Boskovice | 1,145.37 mi (1,843.30 km) |
| Castlebar to Brandys nad Labem-Stara Boleslav | 1,044.49 mi (1,680.95 km) |
| Castlebar to Breclav | 1,176.65 mi (1,893.64 km) |
| Castlebar to Brevnov | 1,034.85 mi (1,665.44 km) |
| Castlebar to Brno | 1,152.10 mi (1,854.13 km) |
| Castlebar to Bruntal | 1,163.81 mi (1,872.98 km) |
| Castlebar to Bystrc | 1,147.70 mi (1,847.05 km) |
| Castlebar to Caslav | 1,081.77 mi (1,740.94 km) |
| Castlebar to Celakovice | 1,048.65 mi (1,687.63 km) |
| Castlebar to Ceska Lipa | 1,026.10 mi (1,651.35 km) |
| Castlebar to Ceska Trebova | 1,124.81 mi (1,810.21 km) |
| Castlebar to Ceske Budejovice | 1,072.60 mi (1,726.19 km) |
| Castlebar to Cesky Krumlov | 1,071.43 mi (1,724.30 km) |
