| Sedro-Woolley to Cloverleaf (Texas) | 1,924.49 mi (3,097.17 km) |
| Sedro-Woolley to Cloverly (Maryland) | 2,310.12 mi (3,717.77 km) |
| Sedro-Woolley to Clovis (California) | 817.44 mi (1,315.54 km) |
| Sedro-Woolley to Clovis (New Mexico) | 1,377.22 mi (2,216.42 km) |
| Sedro-Woolley to Clute (Texas) | 1,956.44 mi (3,148.58 km) |
| Sedro-Woolley to Coachella (California) | 1,071.08 mi (1,723.74 km) |
| Sedro-Woolley to Coalinga (California) | 860.09 mi (1,384.19 km) |
| Sedro-Woolley to Coamo (Puerto Rico) | 3,740.76 mi (6,020.17 km) |
| Sedro-Woolley to Coatesville (Pennsylvania) | 2,332.95 mi (3,754.52 km) |
| Sedro-Woolley to Cockeysville (Maryland) | 2,313.68 mi (3,723.51 km) |
| Sedro-Woolley to Cocoa (Florida) | 2,594.35 mi (4,175.20 km) |
| Sedro-Woolley to Cocoa Beach (Florida) | 2,602.84 mi (4,188.87 km) |
| Sedro-Woolley to Coconut Creek (Florida) | 2,722.10 mi (4,380.79 km) |
| Sedro-Woolley to Coeur d'Alene (Idaho) | 256.97 mi (413.56 km) |
| Sedro-Woolley to Cohoes (New York) | 2,336.87 mi (3,760.83 km) |
