| Portage to Butzbach | 4,223.54 mi (6,797.13 km) |
| Portage to Buxtehude | 4,149.51 mi (6,677.99 km) |
| Portage to Cadolzburg | 4,342.89 mi (6,989.21 km) |
| Portage to Calbe | 4,281.32 mi (6,890.12 km) |
| Portage to Calw | 4,290.75 mi (6,905.29 km) |
| Portage to Castrop-Rauxel | 4,133.27 mi (6,651.86 km) |
| Portage to Celle | 4,194.09 mi (6,749.74 km) |
| Portage to Cham | 4,418.05 mi (7,110.17 km) |
| Portage to Chemnitz | 4,363.59 mi (7,022.52 km) |
| Portage to Clausthal-Zellerfeld | 4,233.64 mi (6,813.38 km) |
| Portage to Cloppenburg | 4,113.56 mi (6,620.13 km) |
| Portage to Coburg | 4,314.99 mi (6,944.31 km) |
| Portage to Coesfeld | 4,113.54 mi (6,620.10 km) |
| Portage to Cologne | 4,141.76 mi (6,665.52 km) |
| Portage to Coswig | 4,375.49 mi (7,041.67 km) |