| National City to Rosemont (California) | 471.42 mi (758.68 km) |
| National City to Rosemount (Minnesota) | 1,532.26 mi (2,465.93 km) |
| National City to Rosenberg (Texas) | 1,274.75 mi (2,051.51 km) |
| National City to Roseville (California) | 483.58 mi (778.25 km) |
| National City to Roseville (Michigan) | 1,974.23 mi (3,177.22 km) |
| National City to Roseville (Minnesota) | 1,536.22 mi (2,472.31 km) |
| National City to Rossmoor (California) | 96.15 mi (154.74 km) |
| National City to Rossville (Maryland) | 2,297.01 mi (3,696.68 km) |
| National City to Roswell (Georgia) | 1,884.30 mi (3,032.49 km) |
| National City to Roswell (New Mexico) | 729.36 mi (1,173.79 km) |
| National City to Round Lake (Illinois) | 1,713.36 mi (2,757.39 km) |
| National City to Round Lake Beach (Illinois) | 1,715.16 mi (2,760.28 km) |
| National City to Round Rock (Texas) | 1,151.58 mi (1,853.28 km) |
| National City to Rowland Heights (California) | 101.20 mi (162.86 km) |
| National City to Rowlett (Texas) | 1,191.82 mi (1,918.04 km) |
