| Mason City to Idar-Oberstein | 4,434.19 mi (7,136.14 km) |
| Mason City to Idstein | 4,446.81 mi (7,156.45 km) |
| Mason City to Illertissen | 4,596.79 mi (7,397.82 km) |
| Mason City to Illingen | 4,438.86 mi (7,143.65 km) |
| Mason City to Ilmenau | 4,518.45 mi (7,271.73 km) |
| Mason City to Ilsede | 4,425.70 mi (7,122.47 km) |
| Mason City to Ilsenburg | 4,459.46 mi (7,176.81 km) |
| Mason City to Ilsfeld | 4,531.03 mi (7,291.98 km) |
| Mason City to Ilvesheim | 4,488.79 mi (7,224.00 km) |
| Mason City to Immenstadt im Allgau | 4,630.09 mi (7,451.40 km) |
| Mason City to Ingelheim | 4,449.50 mi (7,160.77 km) |
| Mason City to Ingolstadt | 4,620.11 mi (7,435.35 km) |
| Mason City to Iserlohn | 4,377.18 mi (7,044.39 km) |
| Mason City to Isernhagen-Sud | 4,407.73 mi (7,093.56 km) |
| Mason City to Ismaning | 4,652.63 mi (7,487.69 km) |
