| North Potomac to Illzach | 4,070.95 mi (6,551.56 km) |
| North Potomac to Ingre | 3,833.04 mi (6,168.69 km) |
| North Potomac to Irigny | 4,025.53 mi (6,478.46 km) |
| North Potomac to Isbergues | 3,790.60 mi (6,100.38 km) |
| North Potomac to Issoire | 3,960.33 mi (6,373.54 km) |
| North Potomac to Issoudun | 3,866.27 mi (6,222.16 km) |
| North Potomac to Issy-les-Moulineaux | 3,828.42 mi (6,161.24 km) |
| North Potomac to Istres | 4,098.21 mi (6,595.44 km) |
| North Potomac to Ivry-sur-Seine | 3,833.25 mi (6,169.02 km) |
| North Potomac to Jarville-la-Malgrange | 3,997.41 mi (6,433.21 km) |
| North Potomac to Jeumont | 3,866.23 mi (6,222.10 km) |
| North Potomac to Joigny | 3,898.51 mi (6,274.05 km) |
| North Potomac to Joinville-le-Pont | 3,837.03 mi (6,175.11 km) |
| North Potomac to Joue-les-Tours | 3,797.83 mi (6,112.02 km) |
| North Potomac to Jouy-le-Moutier | 3,813.85 mi (6,137.80 km) |
