| Westerville to Idar-Oberstein | 4,193.15 mi (6,748.23 km) |
| Westerville to Idstein | 4,213.56 mi (6,781.07 km) |
| Westerville to Illertissen | 4,353.54 mi (7,006.35 km) |
| Westerville to Illingen | 4,194.04 mi (6,749.65 km) |
| Westerville to Ilmenau | 4,298.74 mi (6,918.15 km) |
| Westerville to Ilsede | 4,216.86 mi (6,786.39 km) |
| Westerville to Ilsenburg | 4,248.95 mi (6,838.03 km) |
| Westerville to Ilsfeld | 4,291.49 mi (6,906.48 km) |
| Westerville to Ilvesheim | 4,250.26 mi (6,840.13 km) |
| Westerville to Immenstadt im Allgau | 4,382.10 mi (7,052.31 km) |
| Westerville to Ingelheim | 4,213.37 mi (6,780.76 km) |
| Westerville to Ingolstadt | 4,386.44 mi (7,059.29 km) |
| Westerville to Iserlohn | 4,151.83 mi (6,681.73 km) |
| Westerville to Isernhagen-Sud | 4,199.21 mi (6,757.98 km) |
| Westerville to Ismaning | 4,415.59 mi (7,106.20 km) |
