| Douarnenez to Somma Lombardo | 636.53 mi (1,024.40 km) |
| Douarnenez to Somma Vesuviana | 1,047.16 mi (1,685.24 km) |
| Douarnenez to Sommacampagna | 741.03 mi (1,192.57 km) |
| Douarnenez to Sona | 739.48 mi (1,190.08 km) |
| Douarnenez to Sondrio | 679.55 mi (1,093.62 km) |
| Douarnenez to Sora | 979.34 mi (1,576.10 km) |
| Douarnenez to Sorbolo | 736.82 mi (1,185.79 km) |
| Douarnenez to Soresina | 698.63 mi (1,124.34 km) |
| Douarnenez to Sorisole | 678.83 mi (1,092.47 km) |
| Douarnenez to Sorrento | 1,054.18 mi (1,696.53 km) |
| Douarnenez to Sorso | 810.17 mi (1,303.84 km) |
| Douarnenez to Sortino | 1,234.56 mi (1,986.83 km) |
| Douarnenez to Soverato Marina | 1,227.58 mi (1,975.61 km) |
| Douarnenez to Sovicille | 819.48 mi (1,318.82 km) |
| Douarnenez to Spello | 892.73 mi (1,436.70 km) |
