| Penafiel to Solofra | 1,202.68 mi (1,935.53 km) |
| Penafiel to Somma Lombardo | 904.27 mi (1,455.28 km) |
| Penafiel to Somma Vesuviana | 1,180.93 mi (1,900.53 km) |
| Penafiel to Sommacampagna | 1,002.00 mi (1,612.57 km) |
| Penafiel to Sona | 1,001.61 mi (1,611.93 km) |
| Penafiel to Sondrio | 967.00 mi (1,556.23 km) |
| Penafiel to Sora | 1,131.48 mi (1,820.94 km) |
| Penafiel to Sorbolo | 976.58 mi (1,571.66 km) |
| Penafiel to Soresina | 953.16 mi (1,533.96 km) |
| Penafiel to Sorisole | 950.03 mi (1,528.92 km) |
| Penafiel to Sorrento | 1,180.30 mi (1,899.52 km) |
| Penafiel to Sorso | 878.28 mi (1,413.45 km) |
| Penafiel to Sortino | 1,275.39 mi (2,052.55 km) |
| Penafiel to Soverato Marina | 1,322.41 mi (2,128.21 km) |
| Penafiel to Sovicille | 1,006.18 mi (1,619.30 km) |
