| Sedro-Woolley to Cortona | 5,513.49 mi (8,873.11 km) |
| Sedro-Woolley to Cosenza | 5,859.20 mi (9,429.47 km) |
| Sedro-Woolley to Cossato | 5,282.09 mi (8,500.70 km) |
| Sedro-Woolley to Costa Volpino | 5,314.06 mi (8,552.16 km) |
| Sedro-Woolley to Creazzo | 5,365.07 mi (8,634.24 km) |
| Sedro-Woolley to Crema | 5,331.61 mi (8,580.39 km) |
| Sedro-Woolley to Cremona | 5,354.11 mi (8,616.62 km) |
| Sedro-Woolley to Crevalcore | 5,406.24 mi (8,700.51 km) |
| Sedro-Woolley to Crispiano | 5,801.16 mi (9,336.07 km) |
| Sedro-Woolley to Crosia | 5,854.73 mi (9,422.29 km) |
| Sedro-Woolley to Crotone | 5,892.95 mi (9,483.78 km) |
| Sedro-Woolley to Cuneo | 5,336.22 mi (8,587.82 km) |
| Sedro-Woolley to Cuorgne | 5,279.48 mi (8,496.51 km) |
| Sedro-Woolley to Cusano Milanino | 5,308.39 mi (8,543.03 km) |
| Sedro-Woolley to Cutro | 5,892.97 mi (9,483.81 km) |
