| Prudhoe to Sestu | 1,194.83 mi (1,922.89 km) |
| Prudhoe to Settimo Torinese | 800.31 mi (1,287.97 km) |
| Prudhoe to Seveso | 803.95 mi (1,293.84 km) |
| Prudhoe to Sezze | 1,150.86 mi (1,852.13 km) |
| Prudhoe to Siano | 1,236.28 mi (1,989.61 km) |
| Prudhoe to Siena | 997.52 mi (1,605.35 km) |
| Prudhoe to Signa | 964.12 mi (1,551.61 km) |
| Prudhoe to Silea | 892.93 mi (1,437.04 km) |
| Prudhoe to Silvi Paese | 1,118.99 mi (1,800.85 km) |
| Prudhoe to Sinalunga | 1,014.16 mi (1,632.14 km) |
| Prudhoe to Siniscola | 1,126.05 mi (1,812.20 km) |
| Prudhoe to Sinnai | 1,196.81 mi (1,926.08 km) |
| Prudhoe to Siracusa | 1,475.93 mi (2,375.29 km) |
| Prudhoe to Solaro | 804.20 mi (1,294.24 km) |
| Prudhoe to Soliera | 904.15 mi (1,455.08 km) |
