| Pontypridd to Ilawa | 966.86 mi (1,556.01 km) |
| Pontypridd to Imielin | 984.94 mi (1,585.11 km) |
| Pontypridd to Inowroclaw | 915.11 mi (1,472.72 km) |
| Pontypridd to Janow Lubelski | 1,112.07 mi (1,789.70 km) |
| Pontypridd to Jarocin | 888.15 mi (1,429.34 km) |
| Pontypridd to Jaroslaw | 1,135.27 mi (1,827.04 km) |
| Pontypridd to Jasien | 926.75 mi (1,491.45 km) |
| Pontypridd to Jaslo | 1,088.67 mi (1,752.04 km) |
| Pontypridd to Jastrzebie-Zdroj | 961.04 mi (1,546.65 km) |
| Pontypridd to Jawor | 842.08 mi (1,355.20 km) |
| Pontypridd to Jaworzno | 985.99 mi (1,586.81 km) |
| Pontypridd to Jedrzejow | 1,023.08 mi (1,646.49 km) |
| Pontypridd to Jelcz-Laskowice | 890.71 mi (1,433.46 km) |
| Pontypridd to Jelenia Gora | 824.01 mi (1,326.12 km) |
| Pontypridd to Jozefoslaw | 1,036.54 mi (1,668.15 km) |
