| Pen-y-Bont ar Ogwr to Imola | 860.75 mi (1,385.25 km) |
| Pen-y-Bont ar Ogwr to Impruneta | 874.48 mi (1,407.35 km) |
| Pen-y-Bont ar Ogwr to Induno Olona | 686.60 mi (1,104.98 km) |
| Pen-y-Bont ar Ogwr to Inverigo | 706.02 mi (1,136.24 km) |
| Pen-y-Bont ar Ogwr to Inveruno | 701.99 mi (1,129.75 km) |
| Pen-y-Bont ar Ogwr to Inzago | 724.74 mi (1,166.36 km) |
| Pen-y-Bont ar Ogwr to Iseo | 740.85 mi (1,192.29 km) |
| Pen-y-Bont ar Ogwr to Isernia | 1,083.60 mi (1,743.89 km) |
| Pen-y-Bont ar Ogwr to Isola Capo Rizzuto | 1,319.71 mi (2,123.87 km) |
| Pen-y-Bont ar Ogwr to Isola del Liri | 1,055.70 mi (1,698.99 km) |
| Pen-y-Bont ar Ogwr to Isola della Scala | 793.96 mi (1,277.76 km) |
| Pen-y-Bont ar Ogwr to Isola Vicentina | 795.78 mi (1,280.69 km) |
| Pen-y-Bont ar Ogwr to Ispica | 1,361.25 mi (2,190.72 km) |
| Pen-y-Bont ar Ogwr to Istrana | 819.31 mi (1,318.55 km) |
| Pen-y-Bont ar Ogwr to Itri | 1,074.10 mi (1,728.60 km) |
