| SeaTac to Chojnice | 5,063.40 mi (8,148.76 km) |
| SeaTac to Chojnow | 5,181.26 mi (8,338.43 km) |
| SeaTac to Chorzow | 5,300.26 mi (8,529.95 km) |
| SeaTac to Choszczno | 5,055.15 mi (8,135.47 km) |
| SeaTac to Chrzanow | 5,319.26 mi (8,560.51 km) |
| SeaTac to Ciechanow | 5,171.02 mi (8,321.96 km) |
| SeaTac to Ciechocinek | 5,136.68 mi (8,266.68 km) |
| SeaTac to Cieszyn | 5,328.33 mi (8,575.12 km) |
| SeaTac to Czarna Bialostocka | 5,188.69 mi (8,350.39 km) |
| SeaTac to Czarnkow | 5,093.85 mi (8,197.76 km) |
| SeaTac to Czechowice-Dziedzice | 5,325.43 mi (8,570.45 km) |
| SeaTac to Czeladz | 5,300.75 mi (8,530.73 km) |
| SeaTac to Czersk Pomorski | 5,065.54 mi (8,152.20 km) |
| SeaTac to Czestochowa | 5,272.33 mi (8,485.00 km) |
| SeaTac to Czluchow | 5,062.03 mi (8,146.55 km) |
