| Quincy to Smyrna (Delaware) | 315.22 mi (507.30 km) |
| Quincy to Smyrna (Georgia) | 933.49 mi (1,502.31 km) |
| Quincy to Smyrna (Tennessee) | 935.88 mi (1,506.15 km) |
| Quincy to Snellville (Georgia) | 912.22 mi (1,468.08 km) |
| Quincy to Snoqualmie (Washington) | 2,469.27 mi (3,973.90 km) |
| Quincy to Snyder (Texas) | 1,755.12 mi (2,824.59 km) |
| Quincy to Socastee (South Carolina) | 733.74 mi (1,180.84 km) |
| Quincy to Socorro (Texas) | 2,061.90 mi (3,318.31 km) |
| Quincy to Soddy-Daisy (Tennessee) | 901.07 mi (1,450.13 km) |
| Quincy to Solana Beach (California) | 2,576.69 mi (4,146.79 km) |
| Quincy to Soledad (California) | 2,679.31 mi (4,311.93 km) |
| Quincy to Solon (Ohio) | 539.59 mi (868.38 km) |
| Quincy to Somers Point (New Jersey) | 276.22 mi (444.53 km) |
| Quincy to Somerset (Kentucky) | 804.97 mi (1,295.47 km) |
| Quincy to Somerset (New Jersey) | 216.96 mi (349.17 km) |
