| SeaTac to Busto Arsizio | 5,360.18 mi (8,626.37 km) |
| SeaTac to Busto Garolfo | 5,364.84 mi (8,633.88 km) |
| SeaTac to Cabras | 5,687.28 mi (9,152.79 km) |
| SeaTac to Cadelbosco di Sopra | 5,453.99 mi (8,777.34 km) |
| SeaTac to Cadoneghe | 5,445.56 mi (8,763.77 km) |
| SeaTac to Cagli | 5,577.32 mi (8,975.83 km) |
| SeaTac to Cagliari | 5,744.91 mi (9,245.53 km) |
| SeaTac to Cairo Montenotte | 5,416.61 mi (8,717.19 km) |
| SeaTac to Caivano | 5,775.46 mi (9,294.70 km) |
| SeaTac to Calcinaia | 5,519.06 mi (8,882.07 km) |
| SeaTac to Calcinato | 5,408.21 mi (8,703.67 km) |
| SeaTac to Calderara di Reno | 5,482.38 mi (8,823.03 km) |
| SeaTac to Caldogno | 5,426.02 mi (8,732.33 km) |
| SeaTac to Calenzano | 5,521.83 mi (8,886.53 km) |
| SeaTac to Calolziocorte | 5,363.64 mi (8,631.94 km) |
