| Mill Valley to Romeoville (Illinois) | 1,834.74 mi (2,952.73 km) |
| Mill Valley to Romulus (Michigan) | 2,074.38 mi (3,338.38 km) |
| Mill Valley to Ronkonkoma (New York) | 2,612.62 mi (4,204.60 km) |
| Mill Valley to Roosevelt (New York) | 2,590.93 mi (4,169.70 km) |
| Mill Valley to Rosamond (California) | 319.48 mi (514.16 km) |
| Mill Valley to Rosaryville (Maryland) | 2,451.95 mi (3,946.04 km) |
| Mill Valley to Roscoe (Illinois) | 1,785.86 mi (2,874.07 km) |
| Mill Valley to Rose Hill (Virginia) | 2,436.86 mi (3,921.74 km) |
| Mill Valley to Roseburg (Oregon) | 369.64 mi (594.88 km) |
| Mill Valley to Rosedale (California) | 253.97 mi (408.73 km) |
| Mill Valley to Rosedale (Maryland) | 2,459.87 mi (3,958.78 km) |
| Mill Valley to Roselle (Illinois) | 1,834.13 mi (2,951.75 km) |
| Mill Valley to Roselle (New Jersey) | 2,556.66 mi (4,114.55 km) |
| Mill Valley to Roselle Park (New Jersey) | 2,556.14 mi (4,113.71 km) |
| Mill Valley to Rosemead (California) | 363.97 mi (585.76 km) |
