| Westphalia to Idar-Oberstein | 4,008.24 mi (6,450.64 km) |
| Westphalia to Idstein | 4,032.83 mi (6,490.22 km) |
| Westphalia to Illertissen | 4,165.91 mi (6,704.38 km) |
| Westphalia to Illingen | 4,006.98 mi (6,448.62 km) |
| Westphalia to Ilmenau | 4,124.83 mi (6,638.26 km) |
| Westphalia to Ilsede | 4,049.91 mi (6,517.71 km) |
| Westphalia to Ilsenburg | 4,080.73 mi (6,567.30 km) |
| Westphalia to Ilsfeld | 4,106.49 mi (6,608.76 km) |
| Westphalia to Ilvesheim | 4,066.22 mi (6,543.94 km) |
| Westphalia to Immenstadt im Allgau | 4,191.56 mi (6,745.67 km) |
| Westphalia to Ingelheim | 4,031.02 mi (6,487.30 km) |
| Westphalia to Ingolstadt | 4,203.86 mi (6,765.45 km) |
| Westphalia to Iserlohn | 3,976.18 mi (6,399.05 km) |
| Westphalia to Isernhagen-Sud | 4,032.62 mi (6,489.87 km) |
| Westphalia to Ismaning | 4,230.85 mi (6,808.90 km) |
