| Radviliskis to Idar-Oberstein | 795.82 mi (1,280.75 km) |
| Radviliskis to Idstein | 740.51 mi (1,191.74 km) |
| Radviliskis to Illertissen | 773.81 mi (1,245.33 km) |
| Radviliskis to Illingen | 819.38 mi (1,318.67 km) |
| Radviliskis to Ilmenau | 629.15 mi (1,012.53 km) |
| Radviliskis to Ilsede | 593.56 mi (955.24 km) |
| Radviliskis to Ilsenburg | 589.60 mi (948.87 km) |
| Radviliskis to Ilsfeld | 759.47 mi (1,222.24 km) |
| Radviliskis to Ilvesheim | 762.84 mi (1,227.67 km) |
| Radviliskis to Immenstadt im Allgau | 803.55 mi (1,293.18 km) |
| Radviliskis to Ingelheim | 758.52 mi (1,220.73 km) |
| Radviliskis to Ingolstadt | 704.61 mi (1,133.96 km) |
| Radviliskis to Iserlohn | 717.13 mi (1,154.11 km) |
| Radviliskis to Isernhagen-Sud | 600.02 mi (965.64 km) |
| Radviliskis to Ismaning | 725.38 mi (1,167.39 km) |
