| Willow Grove to Butzbach | 3,913.89 mi (6,298.79 km) |
| Willow Grove to Buxtehude | 3,869.11 mi (6,226.73 km) |
| Willow Grove to Cadolzburg | 4,031.69 mi (6,488.38 km) |
| Willow Grove to Calbe | 3,993.20 mi (6,426.44 km) |
| Willow Grove to Calw | 3,967.11 mi (6,384.45 km) |
| Willow Grove to Castrop-Rauxel | 3,829.32 mi (6,162.70 km) |
| Willow Grove to Celle | 3,907.26 mi (6,288.14 km) |
| Willow Grove to Cham | 4,110.56 mi (6,615.30 km) |
| Willow Grove to Chemnitz | 4,070.01 mi (6,550.05 km) |
| Willow Grove to Clausthal-Zellerfeld | 3,940.46 mi (6,341.55 km) |
| Willow Grove to Cloppenburg | 3,823.07 mi (6,152.63 km) |
| Willow Grove to Coburg | 4,010.77 mi (6,454.72 km) |
| Willow Grove to Coesfeld | 3,812.68 mi (6,135.91 km) |
| Willow Grove to Cologne | 3,831.49 mi (6,166.19 km) |
| Willow Grove to Coswig | 4,086.45 mi (6,576.50 km) |
