| Barcelona to Idar-Oberstein | 626.47 mi (1,008.21 km) |
| Barcelona to Idstein | 677.05 mi (1,089.61 km) |
| Barcelona to Illertissen | 610.25 mi (982.10 km) |
| Barcelona to Illingen | 600.55 mi (966.50 km) |
| Barcelona to Ilmenau | 766.20 mi (1,233.08 km) |
| Barcelona to Ilsede | 840.71 mi (1,352.98 km) |
| Barcelona to Ilsenburg | 827.96 mi (1,332.48 km) |
| Barcelona to Ilsfeld | 631.17 mi (1,015.78 km) |
| Barcelona to Ilvesheim | 638.56 mi (1,027.67 km) |
| Barcelona to Immenstadt im Allgau | 582.21 mi (936.98 km) |
| Barcelona to Ingelheim | 657.52 mi (1,058.18 km) |
| Barcelona to Ingolstadt | 679.95 mi (1,094.27 km) |
| Barcelona to Iserlohn | 738.35 mi (1,188.25 km) |
| Barcelona to Isernhagen-Sud | 844.15 mi (1,358.53 km) |
| Barcelona to Ismaning | 662.59 mi (1,066.34 km) |
