| Wallingford Center to Sestu | 4,141.53 mi (6,665.15 km) |
| Wallingford Center to Settimo Torinese | 3,886.07 mi (6,254.03 km) |
| Wallingford Center to Seveso | 3,928.91 mi (6,322.97 km) |
| Wallingford Center to Sezze | 4,241.35 mi (6,825.80 km) |
| Wallingford Center to Siano | 4,338.69 mi (6,982.45 km) |
| Wallingford Center to Siena | 4,101.02 mi (6,599.95 km) |
| Wallingford Center to Signa | 4,075.01 mi (6,558.10 km) |
| Wallingford Center to Silea | 4,062.78 mi (6,538.41 km) |
| Wallingford Center to Silvi Paese | 4,249.23 mi (6,838.47 km) |
| Wallingford Center to Sinalunga | 4,122.03 mi (6,633.77 km) |
| Wallingford Center to Siniscola | 4,123.96 mi (6,636.88 km) |
| Wallingford Center to Sinnai | 4,146.52 mi (6,673.18 km) |
| Wallingford Center to Siracusa | 4,507.81 mi (7,254.62 km) |
| Wallingford Center to Solaro | 3,927.52 mi (6,320.74 km) |
| Wallingford Center to Soliera | 4,035.17 mi (6,493.98 km) |
