| Sedro-Woolley to Cernavoda | 5,773.71 mi (9,291.88 km) |
| Sedro-Woolley to Chitila | 5,728.11 mi (9,218.51 km) |
| Sedro-Woolley to Cisnadie | 5,618.25 mi (9,041.71 km) |
| Sedro-Woolley to Cluj-Napoca | 5,540.58 mi (8,916.70 km) |
| Sedro-Woolley to Codlea | 5,642.02 mi (9,079.96 km) |
| Sedro-Woolley to Comanesti | 5,611.69 mi (9,031.15 km) |
| Sedro-Woolley to Comarnic | 5,674.10 mi (9,131.59 km) |
| Sedro-Woolley to Constanta | 5,794.62 mi (9,325.53 km) |
| Sedro-Woolley to Corabia | 5,749.19 mi (9,252.42 km) |
| Sedro-Woolley to Costesti | 5,698.33 mi (9,170.57 km) |
| Sedro-Woolley to Covasna | 5,644.84 mi (9,084.50 km) |
| Sedro-Woolley to Craiova | 5,700.65 mi (9,174.32 km) |
| Sedro-Woolley to Cristuru Secuiesc | 5,596.62 mi (9,006.89 km) |
| Sedro-Woolley to Cugir | 5,595.65 mi (9,005.33 km) |
| Sedro-Woolley to Cumpana | 5,796.89 mi (9,329.19 km) |
