| American Canyon to Rockville (Maryland) | 2,409.76 mi (3,878.13 km) |
| American Canyon to Rockville Centre (New York) | 2,567.49 mi (4,131.98 km) |
| American Canyon to Rockwall (Texas) | 1,491.06 mi (2,399.63 km) |
| American Canyon to Rocky Mount (North Carolina) | 2,431.84 mi (3,913.67 km) |
| American Canyon to Rocky Point (New York) | 2,599.31 mi (4,183.18 km) |
| American Canyon to Rocky River (Ohio) | 2,136.59 mi (3,438.50 km) |
| American Canyon to Roessleville (New York) | 2,532.47 mi (4,075.61 km) |
| American Canyon to Rogers (Arkansas) | 1,545.20 mi (2,486.76 km) |
| American Canyon to Rogers (Minnesota) | 1,547.55 mi (2,490.54 km) |
| American Canyon to Rohnert Park (California) | 26.46 mi (42.59 km) |
| American Canyon to Rolla (Missouri) | 1,651.57 mi (2,657.94 km) |
| American Canyon to Rolling Meadows (Illinois) | 1,816.09 mi (2,922.72 km) |
| American Canyon to Roma (Texas) | 1,575.79 mi (2,535.99 km) |
| American Canyon to Rome (Georgia) | 2,070.13 mi (3,331.55 km) |
| American Canyon to Rome (New York) | 2,442.16 mi (3,930.27 km) |
