| National City to Santa Rosa (California) | 508.58 mi (818.48 km) |
| National City to Santaquin (Utah) | 584.50 mi (940.66 km) |
| National City to Santee (California) | 14.68 mi (23.63 km) |
| National City to Sapulpa (Oklahoma) | 1,217.55 mi (1,959.45 km) |
| National City to Saraland (Alabama) | 1,702.96 mi (2,740.66 km) |
| National City to Sarasota (Florida) | 2,090.71 mi (3,364.68 km) |
| National City to Sarasota Springs (Florida) | 2,095.37 mi (3,372.17 km) |
| National City to Saratoga (California) | 422.95 mi (680.67 km) |
| National City to Saratoga Springs (New York) | 2,440.00 mi (3,926.80 km) |
| National City to Saratoga Springs (Utah) | 603.37 mi (971.03 km) |
| National City to Sartell (Minnesota) | 1,508.90 mi (2,428.34 km) |
| National City to Satellite Beach (Florida) | 2,185.73 mi (3,517.59 km) |
| National City to Sauk Rapids (Minnesota) | 1,511.07 mi (2,431.83 km) |
| National City to Sault Ste. Marie (Michigan) | 1,967.21 mi (3,165.92 km) |
| National City to Savage (Minnesota) | 1,519.27 mi (2,445.03 km) |
