| Willow Grove to Idar-Oberstein | 3,880.05 mi (6,244.33 km) |
| Willow Grove to Idstein | 3,904.50 mi (6,283.68 km) |
| Willow Grove to Illertissen | 4,037.85 mi (6,498.29 km) |
| Willow Grove to Illingen | 3,878.88 mi (6,242.45 km) |
| Willow Grove to Ilmenau | 3,996.32 mi (6,431.46 km) |
| Willow Grove to Ilsede | 3,921.31 mi (6,310.74 km) |
| Willow Grove to Ilsenburg | 3,952.14 mi (6,360.35 km) |
| Willow Grove to Ilsfeld | 3,978.31 mi (6,402.47 km) |
| Willow Grove to Ilvesheim | 3,938.00 mi (6,337.59 km) |
| Willow Grove to Immenstadt im Allgau | 4,063.64 mi (6,539.80 km) |
| Willow Grove to Ingelheim | 3,902.74 mi (6,280.85 km) |
| Willow Grove to Ingolstadt | 4,075.60 mi (6,559.05 km) |
| Willow Grove to Iserlohn | 3,847.71 mi (6,192.29 km) |
| Willow Grove to Isernhagen-Sud | 3,904.01 mi (6,282.90 km) |
| Willow Grove to Ismaning | 4,102.68 mi (6,602.63 km) |
