| San Marcos to Idar-Oberstein | 5,780.65 mi (9,303.05 km) |
| San Marcos to Idstein | 5,784.68 mi (9,309.55 km) |
| San Marcos to Illertissen | 5,941.84 mi (9,562.46 km) |
| San Marcos to Illingen | 5,789.15 mi (9,316.74 km) |
| San Marcos to Ilmenau | 5,839.51 mi (9,397.79 km) |
| San Marcos to Ilsede | 5,736.86 mi (9,232.58 km) |
| San Marcos to Ilsenburg | 5,771.61 mi (9,288.51 km) |
| San Marcos to Ilsfeld | 5,873.64 mi (9,452.70 km) |
| San Marcos to Ilvesheim | 5,831.31 mi (9,384.58 km) |
| San Marcos to Immenstadt im Allgau | 5,979.41 mi (9,622.93 km) |
| San Marcos to Ingelheim | 5,790.39 mi (9,318.74 km) |
| San Marcos to Ingolstadt | 5,954.22 mi (9,582.39 km) |
| San Marcos to Iserlohn | 5,708.21 mi (9,186.48 km) |
| San Marcos to Isernhagen-Sud | 5,719.04 mi (9,203.90 km) |
| San Marcos to Ismaning | 5,989.67 mi (9,639.44 km) |
