| West Islip to Idar-Oberstein | 3,781.37 mi (6,085.53 km) |
| West Islip to Idstein | 3,806.30 mi (6,125.64 km) |
| West Islip to Illertissen | 3,938.81 mi (6,338.90 km) |
| West Islip to Illingen | 3,779.96 mi (6,083.26 km) |
| West Islip to Ilmenau | 3,898.90 mi (6,274.68 km) |
| West Islip to Ilsede | 3,824.82 mi (6,155.45 km) |
| West Islip to Ilsenburg | 3,855.46 mi (6,204.76 km) |
| West Islip to Ilsfeld | 3,879.59 mi (6,243.59 km) |
| West Islip to Ilvesheim | 3,839.40 mi (6,178.91 km) |
| West Islip to Immenstadt im Allgau | 3,964.28 mi (6,379.90 km) |
| West Islip to Ingelheim | 3,804.35 mi (6,122.51 km) |
| West Islip to Ingolstadt | 3,977.11 mi (6,400.55 km) |
| West Islip to Iserlohn | 3,750.14 mi (6,035.27 km) |
| West Islip to Isernhagen-Sud | 3,807.57 mi (6,127.70 km) |
| West Islip to Ismaning | 4,003.94 mi (6,443.72 km) |
