| Porthcawl to Imola | 864.05 mi (1,390.55 km) |
| Porthcawl to Impruneta | 877.55 mi (1,412.27 km) |
| Porthcawl to Induno Olona | 689.85 mi (1,110.21 km) |
| Porthcawl to Inverigo | 709.30 mi (1,141.51 km) |
| Porthcawl to Inveruno | 705.13 mi (1,134.81 km) |
| Porthcawl to Inzago | 728.00 mi (1,171.60 km) |
| Porthcawl to Iseo | 744.24 mi (1,197.75 km) |
| Porthcawl to Isernia | 1,086.68 mi (1,748.84 km) |
| Porthcawl to Isola Capo Rizzuto | 1,322.73 mi (2,128.72 km) |
| Porthcawl to Isola del Liri | 1,058.69 mi (1,703.80 km) |
| Porthcawl to Isola della Scala | 797.39 mi (1,283.28 km) |
| Porthcawl to Isola Vicentina | 799.37 mi (1,286.45 km) |
| Porthcawl to Ispica | 1,363.64 mi (2,194.57 km) |
| Porthcawl to Istrana | 822.99 mi (1,324.47 km) |
| Porthcawl to Itri | 1,077.01 mi (1,733.28 km) |
