| Barnstaple to Idar-Oberstein | 509.24 mi (819.54 km) |
| Barnstaple to Idstein | 542.95 mi (873.79 km) |
| Barnstaple to Illertissen | 661.71 mi (1,064.92 km) |
| Barnstaple to Illingen | 504.56 mi (812.00 km) |
| Barnstaple to Ilmenau | 652.43 mi (1,049.99 km) |
| Barnstaple to Ilsede | 614.75 mi (989.35 km) |
| Barnstaple to Ilsenburg | 635.73 mi (1,023.11 km) |
| Barnstaple to Ilsfeld | 605.84 mi (975.01 km) |
| Barnstaple to Ilvesheim | 567.79 mi (913.77 km) |
| Barnstaple to Immenstadt im Allgau | 685.87 mi (1,103.79 km) |
| Barnstaple to Ingelheim | 537.01 mi (864.24 km) |
| Barnstaple to Ingolstadt | 705.76 mi (1,135.82 km) |
| Barnstaple to Iserlohn | 507.24 mi (816.32 km) |
| Barnstaple to Isernhagen-Sud | 601.55 mi (968.11 km) |
| Barnstaple to Ismaning | 729.24 mi (1,173.60 km) |
