| Porthcawl to Illzach | 555.35 mi (893.76 km) |
| Porthcawl to Ingre | 347.96 mi (559.99 km) |
| Porthcawl to Irigny | 558.23 mi (898.38 km) |
| Porthcawl to Isbergues | 273.37 mi (439.94 km) |
| Porthcawl to Issoire | 518.24 mi (834.02 km) |
| Porthcawl to Issoudun | 404.53 mi (651.02 km) |
| Porthcawl to Issy-les-Moulineaux | 321.24 mi (516.99 km) |
| Porthcawl to Istres | 682.37 mi (1,098.17 km) |
| Porthcawl to Ivry-sur-Seine | 325.72 mi (524.20 km) |
| Porthcawl to Jarville-la-Malgrange | 479.37 mi (771.47 km) |
| Porthcawl to Jeumont | 349.16 mi (561.92 km) |
| Porthcawl to Joigny | 397.94 mi (640.42 km) |
| Porthcawl to Joinville-le-Pont | 328.75 mi (529.07 km) |
| Porthcawl to Joue-les-Tours | 345.77 mi (556.46 km) |
| Porthcawl to Jouy-le-Moutier | 305.11 mi (491.02 km) |
