| Sedro-Woolley to Cehegin | 5,429.19 mi (8,737.43 km) |
| Sedro-Woolley to Cervello | 5,356.21 mi (8,619.99 km) |
| Sedro-Woolley to Cervera | 5,320.77 mi (8,562.95 km) |
| Sedro-Woolley to Ceuti | 5,446.59 mi (8,765.44 km) |
| Sedro-Woolley to Cheste | 5,385.93 mi (8,667.81 km) |
| Sedro-Woolley to Chiclana de la Frontera | 5,379.56 mi (8,657.56 km) |
| Sedro-Woolley to Chipiona | 5,352.64 mi (8,614.24 km) |
| Sedro-Woolley to Chiva | 5,385.31 mi (8,666.81 km) |
| Sedro-Woolley to Churriana de la Vega | 5,422.25 mi (8,726.27 km) |
| Sedro-Woolley to Ciempozuelos | 5,256.37 mi (8,459.32 km) |
| Sedro-Woolley to Cieza | 5,432.95 mi (8,743.48 km) |
| Sedro-Woolley to Cisterniga | 5,142.53 mi (8,276.10 km) |
| Sedro-Woolley to Ciudad de Melilla | 5,549.54 mi (8,931.13 km) |
| Sedro-Woolley to Ciudad Real | 5,311.91 mi (8,548.70 km) |
| Sedro-Woolley to Ciudad-Rodrigo | 5,138.69 mi (8,269.92 km) |
