| North Potomac to Idar-Oberstein | 4,013.14 mi (6,458.52 km) |
| North Potomac to Idstein | 4,037.32 mi (6,497.44 km) |
| North Potomac to Illertissen | 4,171.13 mi (6,712.78 km) |
| North Potomac to Illingen | 4,012.10 mi (6,456.85 km) |
| North Potomac to Ilmenau | 4,128.66 mi (6,644.44 km) |
| North Potomac to Ilsede | 4,053.05 mi (6,522.75 km) |
| North Potomac to Ilsenburg | 4,083.99 mi (6,572.55 km) |
| North Potomac to Ilsfeld | 4,111.43 mi (6,616.70 km) |
| North Potomac to Ilvesheim | 4,071.04 mi (6,551.71 km) |
| North Potomac to Immenstadt im Allgau | 4,197.08 mi (6,754.55 km) |
| North Potomac to Ingelheim | 4,035.67 mi (6,494.78 km) |
| North Potomac to Ingolstadt | 4,208.58 mi (6,773.05 km) |
| North Potomac to Iserlohn | 3,980.15 mi (6,405.43 km) |
| North Potomac to Isernhagen-Sud | 4,035.71 mi (6,494.85 km) |
| North Potomac to Ismaning | 4,235.80 mi (6,816.86 km) |
