| Mill Valley to Rockville (Maryland) | 2,429.80 mi (3,910.39 km) |
| Mill Valley to Rockville Centre (New York) | 2,588.36 mi (4,165.56 km) |
| Mill Valley to Rockwall (Texas) | 1,504.54 mi (2,421.33 km) |
| Mill Valley to Rocky Mount (North Carolina) | 2,450.49 mi (3,943.69 km) |
| Mill Valley to Rocky Point (New York) | 2,620.31 mi (4,216.98 km) |
| Mill Valley to Rocky River (Ohio) | 2,157.35 mi (3,471.92 km) |
| Mill Valley to Roessleville (New York) | 2,554.01 mi (4,110.27 km) |
| Mill Valley to Rogers (Arkansas) | 1,562.02 mi (2,513.82 km) |
| Mill Valley to Rogers (Minnesota) | 1,569.92 mi (2,526.54 km) |
| Mill Valley to Rohnert Park (California) | 31.49 mi (50.68 km) |
| Mill Valley to Rolla (Missouri) | 1,669.85 mi (2,687.36 km) |
| Mill Valley to Rolling Meadows (Illinois) | 1,836.95 mi (2,956.28 km) |
| Mill Valley to Roma (Texas) | 1,582.40 mi (2,546.63 km) |
| Mill Valley to Rome (Georgia) | 2,086.94 mi (3,358.60 km) |
| Mill Valley to Rome (New York) | 2,463.80 mi (3,965.11 km) |
