| Severn to Cloverleaf (Texas) | 1,231.26 mi (1,981.51 km) |
| Severn to Cloverly (Maryland) | 16.41 mi (26.42 km) |
| Severn to Clovis (California) | 2,324.63 mi (3,741.13 km) |
| Severn to Clovis (New Mexico) | 1,495.98 mi (2,407.55 km) |
| Severn to Clute (Texas) | 1,274.00 mi (2,050.31 km) |
| Severn to Coachella (California) | 2,207.79 mi (3,553.10 km) |
| Severn to Coalinga (California) | 2,373.08 mi (3,819.11 km) |
| Severn to Coamo (Puerto Rico) | 1,581.53 mi (2,545.23 km) |
| Severn to Coatesville (Pennsylvania) | 74.96 mi (120.64 km) |
| Severn to Cockeysville (Maryland) | 24.09 mi (38.77 km) |
| Severn to Cocoa (Florida) | 778.70 mi (1,253.19 km) |
| Severn to Cocoa Beach (Florida) | 779.61 mi (1,254.66 km) |
| Severn to Coconut Creek (Florida) | 910.86 mi (1,465.88 km) |
| Severn to Coeur d'Alene (Idaho) | 2,071.87 mi (3,334.36 km) |
| Severn to Cohoes (New York) | 295.72 mi (475.92 km) |
