| SeaTac to Cosham | 4,803.92 mi (7,731.16 km) |
| SeaTac to Costessey | 4,764.09 mi (7,667.07 km) |
| SeaTac to Cottingham | 4,661.52 mi (7,502.00 km) |
| SeaTac to Coulsdon | 4,802.54 mi (7,728.95 km) |
| SeaTac to Coventry | 4,707.32 mi (7,575.71 km) |
| SeaTac to Cowdenbeath | 4,463.38 mi (7,183.11 km) |
| SeaTac to Cowes | 4,802.10 mi (7,728.23 km) |
| SeaTac to Cowley | 4,782.21 mi (7,696.22 km) |
| SeaTac to Cowley | 4,751.62 mi (7,646.99 km) |
| SeaTac to Cramlington | 4,562.10 mi (7,341.99 km) |
| SeaTac to Cranleigh | 4,803.64 mi (7,730.70 km) |
| SeaTac to Crawley | 4,812.85 mi (7,745.53 km) |
| SeaTac to Crayford | 4,803.95 mi (7,731.21 km) |
| SeaTac to Crewe | 4,645.77 mi (7,476.64 km) |
| SeaTac to Crigglestone | 4,640.57 mi (7,468.28 km) |
