| Wallingford Center to Smithville (Missouri) | 1,150.09 mi (1,850.89 km) |
| Wallingford Center to Smyrna (Delaware) | 209.16 mi (336.61 km) |
| Wallingford Center to Smyrna (Georgia) | 825.84 mi (1,329.06 km) |
| Wallingford Center to Smyrna (Tennessee) | 829.08 mi (1,334.27 km) |
| Wallingford Center to Snellville (Georgia) | 804.78 mi (1,295.16 km) |
| Wallingford Center to Snoqualmie (Washington) | 2,411.30 mi (3,880.61 km) |
| Wallingford Center to Snyder (Texas) | 1,652.85 mi (2,660.00 km) |
| Wallingford Center to Socastee (South Carolina) | 634.08 mi (1,020.45 km) |
| Wallingford Center to Socorro (Texas) | 1,961.56 mi (3,156.83 km) |
| Wallingford Center to Soddy-Daisy (Tennessee) | 793.28 mi (1,276.66 km) |
| Wallingford Center to Solana Beach (California) | 2,485.20 mi (3,999.55 km) |
| Wallingford Center to Soledad (California) | 2,596.08 mi (4,177.99 km) |
| Wallingford Center to Solon (Ohio) | 446.52 mi (718.61 km) |
| Wallingford Center to Somers Point (New Jersey) | 174.85 mi (281.39 km) |
| Wallingford Center to Somerset (Kentucky) | 698.40 mi (1,123.97 km) |
