| Seattle to Butzbach | 5,062.29 mi (8,146.96 km) |
| Seattle to Buxtehude | 4,907.66 mi (7,898.11 km) |
| Seattle to Cadolzburg | 5,171.50 mi (8,322.72 km) |
| Seattle to Calbe | 5,045.65 mi (8,120.19 km) |
| Seattle to Calw | 5,164.82 mi (8,311.98 km) |
| Seattle to Castrop-Rauxel | 4,965.96 mi (7,991.95 km) |
| Seattle to Celle | 4,966.00 mi (7,992.01 km) |
| Seattle to Cham | 5,225.65 mi (8,409.87 km) |
| Seattle to Chemnitz | 5,134.28 mi (8,262.82 km) |
| Seattle to Clausthal-Zellerfeld | 5,019.97 mi (8,078.86 km) |
| Seattle to Cloppenburg | 4,907.54 mi (7,897.92 km) |
| Seattle to Coburg | 5,125.21 mi (8,248.23 km) |
| Seattle to Coesfeld | 4,939.32 mi (7,949.07 km) |
| Seattle to Cologne | 4,992.85 mi (8,035.21 km) |
| Seattle to Coswig | 5,130.42 mi (8,256.61 km) |
