| Morriston to Ilawa | 990.06 mi (1,593.34 km) |
| Morriston to Imielin | 1,010.27 mi (1,625.87 km) |
| Morriston to Inowroclaw | 938.97 mi (1,511.13 km) |
| Morriston to Janow Lubelski | 1,136.94 mi (1,829.72 km) |
| Morriston to Jarocin | 912.64 mi (1,468.75 km) |
| Morriston to Jaroslaw | 1,160.41 mi (1,867.51 km) |
| Morriston to Jasien | 949.27 mi (1,527.70 km) |
| Morriston to Jaslo | 1,113.99 mi (1,792.80 km) |
| Morriston to Jastrzebie-Zdroj | 986.48 mi (1,587.59 km) |
| Morriston to Jawor | 867.19 mi (1,395.61 km) |
| Morriston to Jaworzno | 1,011.29 mi (1,627.52 km) |
| Morriston to Jedrzejow | 1,048.13 mi (1,686.80 km) |
| Morriston to Jelcz-Laskowice | 915.76 mi (1,473.78 km) |
| Morriston to Jelenia Gora | 849.23 mi (1,366.70 km) |
| Morriston to Jozefoslaw | 1,060.76 mi (1,707.13 km) |
