| Mannheim to Idar-Oberstein | 53.89 mi (86.73 km) |
| Mannheim to Idstein | 51.35 mi (82.64 km) |
| Mannheim to Illertissen | 114.53 mi (184.32 km) |
| Mannheim to Illingen | 63.98 mi (102.97 km) |
| Mannheim to Ilmenau | 136.59 mi (219.81 km) |
| Mannheim to Ilsede | 206.07 mi (331.63 km) |
| Mannheim to Ilsenburg | 190.87 mi (307.18 km) |
| Mannheim to Ilsfeld | 46.52 mi (74.86 km) |
| Mannheim to Ilvesheim | 4.67 mi (7.52 km) |
| Mannheim to Immenstadt im Allgau | 155.02 mi (249.49 km) |
| Mannheim to Ingelheim | 38.30 mi (61.63 km) |
| Mannheim to Ingolstadt | 142.84 mi (229.88 km) |
| Mannheim to Iserlohn | 135.61 mi (218.24 km) |
| Mannheim to Isernhagen-Sud | 212.38 mi (341.79 km) |
| Mannheim to Ismaning | 169.81 mi (273.28 km) |
