| Washougal to Butzbach | 5,184.78 mi (8,344.10 km) |
| Washougal to Buxtehude | 5,032.82 mi (8,099.53 km) |
| Washougal to Cadolzburg | 5,294.84 mi (8,521.23 km) |
| Washougal to Calbe | 5,171.09 mi (8,322.07 km) |
| Washougal to Calw | 5,286.19 mi (8,507.30 km) |
| Washougal to Castrop-Rauxel | 5,088.33 mi (8,188.88 km) |
| Washougal to Celle | 5,090.85 mi (8,192.93 km) |
| Washougal to Cham | 5,350.06 mi (8,610.09 km) |
| Washougal to Chemnitz | 5,259.80 mi (8,464.84 km) |
| Washougal to Clausthal-Zellerfeld | 5,144.46 mi (8,279.20 km) |
| Washougal to Cloppenburg | 5,031.28 mi (8,097.06 km) |
| Washougal to Coburg | 5,249.14 mi (8,447.67 km) |
| Washougal to Coesfeld | 5,061.87 mi (8,146.30 km) |
| Washougal to Cologne | 5,114.53 mi (8,231.04 km) |
| Washougal to Coswig | 5,256.54 mi (8,459.58 km) |
