| Mill Valley to Cloverleaf (Texas) | 1,660.41 mi (2,672.17 km) |
| Mill Valley to Cloverly (Maryland) | 2,437.59 mi (3,922.93 km) |
| Mill Valley to Clovis (California) | 173.84 mi (279.77 km) |
| Mill Valley to Clovis (New Mexico) | 1,103.38 mi (1,775.71 km) |
| Mill Valley to Clute (Texas) | 1,673.03 mi (2,692.49 km) |
| Mill Valley to Coachella (California) | 461.89 mi (743.33 km) |
| Mill Valley to Coalinga (California) | 172.81 mi (278.11 km) |
| Mill Valley to Coamo (Puerto Rico) | 3,630.57 mi (5,842.83 km) |
| Mill Valley to Coatesville (Pennsylvania) | 2,485.86 mi (4,000.61 km) |
| Mill Valley to Cockeysville (Maryland) | 2,451.25 mi (3,944.91 km) |
| Mill Valley to Cocoa (Florida) | 2,482.52 mi (3,995.23 km) |
| Mill Valley to Cocoa Beach (Florida) | 2,491.66 mi (4,009.94 km) |
| Mill Valley to Coconut Creek (Florida) | 2,581.58 mi (4,154.66 km) |
| Mill Valley to Coeur d'Alene (Idaho) | 736.34 mi (1,185.02 km) |
| Mill Valley to Cohoes (New York) | 2,557.58 mi (4,116.03 km) |
