| Mill Valley to Castle Pines (Colorado) | 957.55 mi (1,541.03 km) |
| Mill Valley to Castle Rock (Colorado) | 958.40 mi (1,542.39 km) |
| Mill Valley to Castro Valley (California) | 29.59 mi (47.62 km) |
| Mill Valley to Catalina Foothills (Arizona) | 763.42 mi (1,228.61 km) |
| Mill Valley to Cataño (Puerto Rico) | 3,628.47 mi (5,839.45 km) |
| Mill Valley to Cathedral City (California) | 441.37 mi (710.31 km) |
| Mill Valley to Catonsville (Maryland) | 2,448.61 mi (3,940.65 km) |
| Mill Valley to Cave Spring (Virginia) | 2,309.38 mi (3,716.59 km) |
| Mill Valley to Cayce (South Carolina) | 2,318.81 mi (3,731.77 km) |
| Mill Valley to Cayey (Puerto Rico) | 3,639.96 mi (5,857.95 km) |
| Mill Valley to Cedar City (Utah) | 515.77 mi (830.05 km) |
| Mill Valley to Cedar Falls (Iowa) | 1,610.29 mi (2,591.52 km) |
| Mill Valley to Cedar Hill (Texas) | 1,484.61 mi (2,389.25 km) |
| Mill Valley to Cedar Lake (Indiana) | 1,870.09 mi (3,009.61 km) |
| Mill Valley to Cedar Mill (Oregon) | 527.14 mi (848.34 km) |
