| Leigh-on-Sea to Idar-Oberstein | 317.98 mi (511.74 km) |
| Leigh-on-Sea to Idstein | 344.35 mi (554.18 km) |
| Leigh-on-Sea to Illertissen | 478.10 mi (769.44 km) |
| Leigh-on-Sea to Illingen | 318.63 mi (512.78 km) |
| Leigh-on-Sea to Ilmenau | 448.84 mi (722.34 km) |
| Leigh-on-Sea to Ilsede | 409.01 mi (658.24 km) |
| Leigh-on-Sea to Ilsenburg | 429.70 mi (691.54 km) |
| Leigh-on-Sea to Ilsfeld | 416.35 mi (670.05 km) |
| Leigh-on-Sea to Ilvesheim | 375.77 mi (604.74 km) |
| Leigh-on-Sea to Immenstadt im Allgau | 508.50 mi (818.35 km) |
| Leigh-on-Sea to Ingelheim | 341.03 mi (548.84 km) |
| Leigh-on-Sea to Ingolstadt | 513.47 mi (826.34 km) |
| Leigh-on-Sea to Iserlohn | 301.98 mi (485.99 km) |
| Leigh-on-Sea to Isernhagen-Sud | 396.15 mi (637.53 km) |
| Leigh-on-Sea to Ismaning | 540.70 mi (870.17 km) |
