| North Royalton to Idar-Oberstein | 4,092.51 mi (6,586.25 km) |
| North Royalton to Idstein | 4,112.61 mi (6,618.61 km) |
| North Royalton to Illertissen | 4,253.06 mi (6,844.63 km) |
| North Royalton to Illingen | 4,093.55 mi (6,587.92 km) |
| North Royalton to Ilmenau | 4,197.35 mi (6,754.99 km) |
| North Royalton to Ilsede | 4,115.13 mi (6,622.66 km) |
| North Royalton to Ilsenburg | 4,147.28 mi (6,674.39 km) |
| North Royalton to Ilsfeld | 4,190.82 mi (6,744.47 km) |
| North Royalton to Ilvesheim | 4,149.53 mi (6,678.03 km) |
| North Royalton to Immenstadt im Allgau | 4,281.83 mi (6,890.93 km) |
| North Royalton to Ingelheim | 4,112.53 mi (6,618.48 km) |
| North Royalton to Ingolstadt | 4,285.58 mi (6,896.97 km) |
| North Royalton to Iserlohn | 4,050.58 mi (6,518.79 km) |
| North Royalton to Isernhagen-Sud | 4,097.46 mi (6,594.23 km) |
| North Royalton to Ismaning | 4,314.87 mi (6,944.11 km) |
