| Somersworth to Idar-Oberstein | 3,576.00 mi (5,755.02 km) |
| Somersworth to Idstein | 3,599.95 mi (5,793.55 km) |
| Somersworth to Illertissen | 3,734.24 mi (6,009.68 km) |
| Somersworth to Illingen | 3,575.13 mi (5,753.62 km) |
| Somersworth to Ilmenau | 3,691.12 mi (5,940.29 km) |
| Somersworth to Ilsede | 3,615.61 mi (5,818.76 km) |
| Somersworth to Ilsenburg | 3,646.51 mi (5,868.50 km) |
| Somersworth to Ilsfeld | 3,674.31 mi (5,913.24 km) |
| Somersworth to Ilvesheim | 3,633.86 mi (5,848.13 km) |
| Somersworth to Immenstadt im Allgau | 3,760.49 mi (6,051.93 km) |
| Somersworth to Ingelheim | 3,598.38 mi (5,791.03 km) |
| Somersworth to Ingolstadt | 3,771.33 mi (6,069.36 km) |
| Somersworth to Iserlohn | 3,542.62 mi (5,701.29 km) |
| Somersworth to Isernhagen-Sud | 3,598.29 mi (5,790.89 km) |
| Somersworth to Ismaning | 3,798.69 mi (6,113.40 km) |
