| National City to Roy (Utah) | 650.24 mi (1,046.46 km) |
| National City to Royal Kunia (Hawaii) | 2,618.56 mi (4,214.16 km) |
| National City to Royal Oak (Michigan) | 1,963.32 mi (3,159.66 km) |
| National City to Royal Palm Beach (Florida) | 2,239.95 mi (3,604.85 km) |
| National City to Royse City (Texas) | 1,204.84 mi (1,939.01 km) |
| National City to Ruskin (Florida) | 2,089.83 mi (3,363.26 km) |
| National City to Russellville (Alabama) | 1,689.37 mi (2,718.77 km) |
| National City to Russellville (Arkansas) | 1,381.31 mi (2,223.01 km) |
| National City to Ruston (Louisiana) | 1,420.74 mi (2,286.47 km) |
| National City to Rutherford (New Jersey) | 2,420.71 mi (3,895.76 km) |
| National City to Rutland (Vermont) | 2,481.73 mi (3,993.96 km) |
| National City to Sabana Grande (Puerto Rico) | 3,255.53 mi (5,239.26 km) |
| National City to Sachse (Texas) | 1,189.74 mi (1,914.70 km) |
| National City to Saco (Maine) | 2,607.48 mi (4,196.33 km) |
| National City to Sacramento (California) | 475.83 mi (765.78 km) |
