| Sumner to Idar-Oberstein | 5,094.03 mi (8,198.05 km) |
| Sumner to Idstein | 5,087.61 mi (8,187.71 km) |
| Sumner to Illertissen | 5,248.29 mi (8,446.30 km) |
| Sumner to Illingen | 5,107.03 mi (8,218.97 km) |
| Sumner to Ilmenau | 5,121.70 mi (8,242.58 km) |
| Sumner to Ilsede | 5,011.83 mi (8,065.76 km) |
| Sumner to Ilsenburg | 5,046.49 mi (8,121.54 km) |
| Sumner to Ilsfeld | 5,179.32 mi (8,335.31 km) |
| Sumner to Ilvesheim | 5,138.25 mi (8,269.21 km) |
| Sumner to Immenstadt im Allgau | 5,289.94 mi (8,513.33 km) |
| Sumner to Ingelheim | 5,096.72 mi (8,202.38 km) |
| Sumner to Ingolstadt | 5,247.33 mi (8,444.76 km) |
| Sumner to Iserlohn | 5,005.73 mi (8,055.94 km) |
| Sumner to Isernhagen-Sud | 4,994.74 mi (8,038.25 km) |
| Sumner to Ismaning | 5,285.06 mi (8,505.48 km) |
