| Opelousas to Idar-Oberstein | 5,026.66 mi (8,089.62 km) |
| Opelousas to Idstein | 5,048.39 mi (8,124.60 km) |
| Opelousas to Illertissen | 5,186.22 mi (8,346.41 km) |
| Opelousas to Illingen | 5,026.80 mi (8,089.85 km) |
| Opelousas to Ilmenau | 5,135.39 mi (8,264.62 km) |
| Opelousas to Ilsede | 5,054.83 mi (8,134.97 km) |
| Opelousas to Ilsenburg | 5,086.72 mi (8,186.29 km) |
| Opelousas to Ilsfeld | 5,125.03 mi (8,247.94 km) |
| Opelousas to Ilvesheim | 5,084.09 mi (8,182.06 km) |
| Opelousas to Immenstadt im Allgau | 5,213.70 mi (8,390.64 km) |
| Opelousas to Ingelheim | 5,047.71 mi (8,123.51 km) |
| Opelousas to Ingolstadt | 5,220.83 mi (8,402.12 km) |
| Opelousas to Iserlohn | 4,987.99 mi (8,027.39 km) |
| Opelousas to Isernhagen-Sud | 5,037.23 mi (8,106.64 km) |
| Opelousas to Ismaning | 5,249.31 mi (8,447.95 km) |
