| Douarnenez to Settimo Torinese | 608.67 mi (979.55 km) |
| Douarnenez to Seveso | 657.34 mi (1,057.89 km) |
| Douarnenez to Sezze | 963.88 mi (1,551.21 km) |
| Douarnenez to Siano | 1,060.98 mi (1,707.48 km) |
| Douarnenez to Siena | 822.60 mi (1,323.85 km) |
| Douarnenez to Signa | 797.21 mi (1,282.99 km) |
| Douarnenez to Silea | 801.50 mi (1,289.89 km) |
| Douarnenez to Silvi Paese | 971.45 mi (1,563.40 km) |
| Douarnenez to Sinalunga | 843.69 mi (1,357.78 km) |
| Douarnenez to Siniscola | 864.02 mi (1,390.50 km) |
| Douarnenez to Sinnai | 906.36 mi (1,458.65 km) |
| Douarnenez to Siracusa | 1,249.33 mi (2,010.60 km) |
| Douarnenez to Solaro | 655.57 mi (1,055.04 km) |
| Douarnenez to Soliera | 761.22 mi (1,225.06 km) |
| Douarnenez to Solofra | 1,066.47 mi (1,716.32 km) |
