| Upminster to Idar-Oberstein | 334.52 mi (538.35 km) |
| Upminster to Idstein | 361.45 mi (581.70 km) |
| Upminster to Illertissen | 494.21 mi (795.36 km) |
| Upminster to Illingen | 334.70 mi (538.65 km) |
| Upminster to Ilmenau | 466.15 mi (750.20 km) |
| Upminster to Ilsede | 425.83 mi (685.30 km) |
| Upminster to Ilsenburg | 446.75 mi (718.98 km) |
| Upminster to Ilsfeld | 432.85 mi (696.61 km) |
| Upminster to Ilvesheim | 392.43 mi (631.56 km) |
| Upminster to Immenstadt im Allgau | 524.14 mi (843.53 km) |
| Upminster to Ingelheim | 357.96 mi (576.07 km) |
| Upminster to Ingolstadt | 530.24 mi (853.33 km) |
| Upminster to Iserlohn | 319.25 mi (513.78 km) |
| Upminster to Isernhagen-Sud | 412.83 mi (664.39 km) |
| Upminster to Ismaning | 557.22 mi (896.77 km) |
