| Fostoria to Idar-Oberstein | 4,164.39 mi (6,701.94 km) |
| Fostoria to Idstein | 4,183.74 mi (6,733.08 km) |
| Fostoria to Illertissen | 4,325.29 mi (6,960.88 km) |
| Fostoria to Illingen | 4,165.80 mi (6,704.21 km) |
| Fostoria to Ilmenau | 4,267.19 mi (6,867.38 km) |
| Fostoria to Ilsede | 4,183.77 mi (6,733.12 km) |
| Fostoria to Ilsenburg | 4,216.12 mi (6,785.18 km) |
| Fostoria to Ilsfeld | 4,262.64 mi (6,860.05 km) |
| Fostoria to Ilvesheim | 4,221.22 mi (6,793.39 km) |
| Fostoria to Immenstadt im Allgau | 4,354.55 mi (7,007.96 km) |
| Fostoria to Ingelheim | 4,183.95 mi (6,733.41 km) |
| Fostoria to Ingolstadt | 4,356.90 mi (7,011.75 km) |
| Fostoria to Iserlohn | 4,120.86 mi (6,631.88 km) |
| Fostoria to Isernhagen-Sud | 4,166.05 mi (6,704.61 km) |
| Fostoria to Ismaning | 4,386.55 mi (7,059.46 km) |
