| Castlebar to Imielin | 1,231.21 mi (1,981.45 km) |
| Castlebar to Inowroclaw | 1,132.48 mi (1,822.56 km) |
| Castlebar to Janow Lubelski | 1,346.22 mi (2,166.53 km) |
| Castlebar to Jarocin | 1,117.41 mi (1,798.30 km) |
| Castlebar to Jaroslaw | 1,375.43 mi (2,213.54 km) |
| Castlebar to Jasien | 1,121.80 mi (1,805.36 km) |
| Castlebar to Jaslo | 1,333.75 mi (2,146.46 km) |
| Castlebar to Jastrzebie-Zdroj | 1,210.43 mi (1,947.99 km) |
| Castlebar to Jawor | 1,084.87 mi (1,745.93 km) |
| Castlebar to Jaworzno | 1,231.47 mi (1,981.86 km) |
| Castlebar to Jedrzejow | 1,262.20 mi (2,031.32 km) |
| Castlebar to Jelcz-Laskowice | 1,131.45 mi (1,820.89 km) |
| Castlebar to Jelenia Gora | 1,069.45 mi (1,721.11 km) |
| Castlebar to Jozefoslaw | 1,258.46 mi (2,025.29 km) |
| Castlebar to Jozefow | 1,265.34 mi (2,036.36 km) |
