| SeaTac to Butzbach | 5,072.24 mi (8,162.99 km) |
| SeaTac to Buxtehude | 4,917.89 mi (7,914.58 km) |
| SeaTac to Cadolzburg | 5,181.54 mi (8,338.89 km) |
| SeaTac to Calbe | 5,055.91 mi (8,136.71 km) |
| SeaTac to Calw | 5,174.66 mi (8,327.81 km) |
| SeaTac to Castrop-Rauxel | 4,975.90 mi (8,007.94 km) |
| SeaTac to Celle | 4,976.20 mi (8,008.42 km) |
| SeaTac to Cham | 5,235.81 mi (8,426.22 km) |
| SeaTac to Chemnitz | 5,144.55 mi (8,279.35 km) |
| SeaTac to Clausthal-Zellerfeld | 5,030.13 mi (8,095.21 km) |
| SeaTac to Cloppenburg | 4,917.62 mi (7,914.15 km) |
| SeaTac to Coburg | 5,135.32 mi (8,264.49 km) |
| SeaTac to Coesfeld | 4,949.28 mi (7,965.10 km) |
| SeaTac to Cologne | 5,002.72 mi (8,051.09 km) |
| SeaTac to Coswig | 5,140.76 mi (8,273.25 km) |
