| Naugatuck to Idar-Oberstein | 3,737.77 mi (6,015.37 km) |
| Naugatuck to Idstein | 3,762.17 mi (6,054.63 km) |
| Naugatuck to Illertissen | 3,895.64 mi (6,269.43 km) |
| Naugatuck to Illingen | 3,736.65 mi (6,013.55 km) |
| Naugatuck to Ilmenau | 3,853.98 mi (6,202.38 km) |
| Naugatuck to Ilsede | 3,779.04 mi (6,081.78 km) |
| Naugatuck to Ilsenburg | 3,809.85 mi (6,131.36 km) |
| Naugatuck to Ilsfeld | 3,836.05 mi (6,173.52 km) |
| Naugatuck to Ilvesheim | 3,795.71 mi (6,108.61 km) |
| Naugatuck to Immenstadt im Allgau | 3,921.51 mi (6,311.07 km) |
| Naugatuck to Ingelheim | 3,760.43 mi (6,051.83 km) |
| Naugatuck to Ingolstadt | 3,933.30 mi (6,330.04 km) |
| Naugatuck to Iserlohn | 3,705.36 mi (5,963.20 km) |
| Naugatuck to Isernhagen-Sud | 3,761.75 mi (6,053.95 km) |
| Naugatuck to Ismaning | 3,960.42 mi (6,373.68 km) |
