| Rio Grande City to Idar-Oberstein | 5,510.15 mi (8,867.73 km) |
| Rio Grande City to Idstein | 5,530.17 mi (8,899.95 km) |
| Rio Grande City to Illertissen | 5,670.64 mi (9,126.01 km) |
| Rio Grande City to Illingen | 5,511.13 mi (8,869.30 km) |
| Rio Grande City to Ilmenau | 5,614.15 mi (9,035.10 km) |
| Rio Grande City to Ilsede | 5,530.58 mi (8,900.61 km) |
| Rio Grande City to Ilsenburg | 5,563.00 mi (8,952.78 km) |
| Rio Grande City to Ilsfeld | 5,608.46 mi (9,025.95 km) |
| Rio Grande City to Ilvesheim | 5,567.18 mi (8,959.52 km) |
| Rio Grande City to Immenstadt im Allgau | 5,699.22 mi (9,172.00 km) |
| Rio Grande City to Ingelheim | 5,530.16 mi (8,899.93 km) |
| Rio Grande City to Ingolstadt | 5,703.19 mi (9,178.39 km) |
| Rio Grande City to Iserlohn | 5,467.72 mi (8,799.45 km) |
| Rio Grande City to Isernhagen-Sud | 5,512.85 mi (8,872.07 km) |
| Rio Grande City to Ismaning | 5,732.52 mi (9,225.59 km) |
