| National City to Robertsville (New Jersey) | 2,411.35 mi (3,880.69 km) |
| National City to Robinson (Texas) | 1,171.16 mi (1,884.79 km) |
| National City to Robstown (Texas) | 1,205.68 mi (1,940.35 km) |
| National City to Rochester (Michigan) | 1,966.98 mi (3,165.55 km) |
| National City to Rochester (Minnesota) | 1,538.75 mi (2,476.37 km) |
| National City to Rochester (New Hampshire) | 2,581.37 mi (4,154.32 km) |
| National City to Rochester (New York) | 2,247.33 mi (3,616.73 km) |
| National City to Rochester Hills (Michigan) | 1,964.90 mi (3,162.21 km) |
| National City to Rock Hill (South Carolina) | 2,065.94 mi (3,324.80 km) |
| National City to Rock Island (Illinois) | 1,575.31 mi (2,535.21 km) |
| National City to Rock Springs (Wyoming) | 753.52 mi (1,212.67 km) |
| National City to Rockford (Illinois) | 1,664.43 mi (2,678.64 km) |
| National City to Rockledge (Florida) | 2,175.03 mi (3,500.37 km) |
| National City to Rocklin (California) | 483.88 mi (778.74 km) |
| National City to Rockport (Texas) | 1,234.15 mi (1,986.17 km) |
