| Williamsport to Butzbach | 3,940.77 mi (6,342.06 km) |
| Williamsport to Buxtehude | 3,888.17 mi (6,257.40 km) |
| Williamsport to Cadolzburg | 4,059.21 mi (6,532.67 km) |
| Williamsport to Calbe | 4,014.53 mi (6,460.76 km) |
| Williamsport to Calw | 3,997.87 mi (6,433.95 km) |
| Williamsport to Castrop-Rauxel | 3,854.52 mi (6,203.25 km) |
| Williamsport to Celle | 3,928.08 mi (6,321.64 km) |
| Williamsport to Cham | 4,137.23 mi (6,658.23 km) |
| Williamsport to Chemnitz | 4,092.92 mi (6,586.92 km) |
| Williamsport to Clausthal-Zellerfeld | 3,963.01 mi (6,377.85 km) |
| Williamsport to Cloppenburg | 3,844.68 mi (6,187.42 km) |
| Williamsport to Coburg | 4,036.39 mi (6,495.94 km) |
| Williamsport to Coesfeld | 3,837.02 mi (6,175.08 km) |
| Williamsport to Cologne | 3,858.39 mi (6,209.47 km) |
| Williamsport to Coswig | 4,108.19 mi (6,611.50 km) |
