| Castlebar to Prelouc | 1,084.91 mi (1,745.99 km) |
| Castlebar to Prerov | 1,178.45 mi (1,896.54 km) |
| Castlebar to Pribram | 1,032.00 mi (1,660.84 km) |
| Castlebar to Prostejov | 1,164.13 mi (1,873.48 km) |
| Castlebar to Rakovnik | 1,008.95 mi (1,623.74 km) |
| Castlebar to Ricany | 1,049.44 mi (1,688.92 km) |
| Castlebar to Rokycany | 1,013.63 mi (1,631.28 km) |
| Castlebar to Roudnice nad Labem | 1,021.67 mi (1,644.22 km) |
| Castlebar to Roznov pod Radhostem | 1,206.50 mi (1,941.68 km) |
| Castlebar to Roztoky | 1,034.39 mi (1,664.69 km) |
| Castlebar to Rumburk | 1,020.31 mi (1,642.03 km) |
| Castlebar to Rychnov nad Kneznou | 1,110.60 mi (1,787.34 km) |
| Castlebar to Slany | 1,019.80 mi (1,641.21 km) |
| Castlebar to Sokolov | 962.48 mi (1,548.96 km) |
| Castlebar to Sternberk | 1,164.30 mi (1,873.77 km) |
