| Omagh to Illzach | 786.85 mi (1,266.31 km) |
| Omagh to Ingre | 605.38 mi (974.26 km) |
| Omagh to Irigny | 814.66 mi (1,311.06 km) |
| Omagh to Isbergues | 491.63 mi (791.21 km) |
| Omagh to Issoire | 778.67 mi (1,253.16 km) |
| Omagh to Issoudun | 664.67 mi (1,069.69 km) |
| Omagh to Issy-les-Moulineaux | 570.27 mi (917.76 km) |
| Omagh to Istres | 942.99 mi (1,517.59 km) |
| Omagh to Ivry-sur-Seine | 574.29 mi (924.23 km) |
| Omagh to Jarville-la-Malgrange | 706.90 mi (1,137.65 km) |
| Omagh to Jeumont | 563.15 mi (906.30 km) |
| Omagh to Joigny | 648.08 mi (1,042.99 km) |
| Omagh to Joinville-le-Pont | 576.61 mi (927.96 km) |
| Omagh to Joue-les-Tours | 607.34 mi (977.41 km) |
| Omagh to Jouy-le-Moutier | 553.64 mi (891.00 km) |
