| Tonypandy to Illzach | 549.94 mi (885.04 km) |
| Tonypandy to Ingre | 347.43 mi (559.13 km) |
| Tonypandy to Irigny | 557.53 mi (897.27 km) |
| Tonypandy to Isbergues | 265.26 mi (426.89 km) |
| Tonypandy to Issoire | 519.29 mi (835.71 km) |
| Tonypandy to Issoudun | 405.36 mi (652.36 km) |
| Tonypandy to Issy-les-Moulineaux | 318.20 mi (512.09 km) |
| Tonypandy to Istres | 683.57 mi (1,100.09 km) |
| Tonypandy to Ivry-sur-Seine | 322.58 mi (519.15 km) |
| Tonypandy to Jarville-la-Malgrange | 473.29 mi (761.68 km) |
| Tonypandy to Jeumont | 341.08 mi (548.92 km) |
| Tonypandy to Joigny | 395.35 mi (636.25 km) |
| Tonypandy to Joinville-le-Pont | 325.46 mi (523.78 km) |
| Tonypandy to Joue-les-Tours | 347.97 mi (560.00 km) |
| Tonypandy to Jouy-le-Moutier | 301.89 mi (485.85 km) |
