| Williamsport to Idar-Oberstein | 3,909.56 mi (6,291.83 km) |
| Williamsport to Idstein | 3,932.16 mi (6,328.20 km) |
| Williamsport to Illertissen | 4,068.70 mi (6,547.94 km) |
| Williamsport to Illingen | 3,909.36 mi (6,291.50 km) |
| Williamsport to Ilmenau | 4,021.03 mi (6,471.23 km) |
| Williamsport to Ilsede | 3,942.90 mi (6,345.49 km) |
| Williamsport to Ilsenburg | 3,974.31 mi (6,396.04 km) |
| Williamsport to Ilsfeld | 4,007.94 mi (6,450.15 km) |
| Williamsport to Ilvesheim | 3,967.17 mi (6,384.54 km) |
| Williamsport to Immenstadt im Allgau | 4,095.81 mi (6,591.58 km) |
| Williamsport to Ingelheim | 3,931.12 mi (6,326.53 km) |
| Williamsport to Ingolstadt | 4,104.21 mi (6,605.09 km) |
| Williamsport to Iserlohn | 3,873.07 mi (6,233.10 km) |
| Williamsport to Isernhagen-Sud | 3,925.43 mi (6,317.37 km) |
| Williamsport to Ismaning | 4,132.27 mi (6,650.25 km) |
