| Pen-y-Bont ar Ogwr to Illzach | 551.69 mi (887.85 km) |
| Pen-y-Bont ar Ogwr to Ingre | 345.75 mi (556.43 km) |
| Pen-y-Bont ar Ogwr to Irigny | 555.99 mi (894.78 km) |
| Pen-y-Bont ar Ogwr to Isbergues | 268.98 mi (432.89 km) |
| Pen-y-Bont ar Ogwr to Issoire | 516.58 mi (831.36 km) |
| Pen-y-Bont ar Ogwr to Issoudun | 402.78 mi (648.22 km) |
| Pen-y-Bont ar Ogwr to Issy-les-Moulineaux | 318.24 mi (512.15 km) |
| Pen-y-Bont ar Ogwr to Istres | 680.78 mi (1,095.61 km) |
| Pen-y-Bont ar Ogwr to Ivry-sur-Seine | 322.69 mi (519.31 km) |
| Pen-y-Bont ar Ogwr to Jarville-la-Malgrange | 475.51 mi (765.27 km) |
| Pen-y-Bont ar Ogwr to Jeumont | 344.80 mi (554.90 km) |
| Pen-y-Bont ar Ogwr to Joigny | 395.08 mi (635.82 km) |
| Pen-y-Bont ar Ogwr to Joinville-le-Pont | 325.67 mi (524.11 km) |
| Pen-y-Bont ar Ogwr to Joue-les-Tours | 344.49 mi (554.41 km) |
| Pen-y-Bont ar Ogwr to Jouy-le-Moutier | 302.05 mi (486.10 km) |
