| Donegal to Seysses | 879.14 mi (1,414.84 km) |
| Donegal to Sin-le-Noble | 556.39 mi (895.42 km) |
| Donegal to Six-Fours-les-Plages | 1,014.90 mi (1,633.33 km) |
| Donegal to Soissons | 606.29 mi (975.73 km) |
| Donegal to Soisy-sous-Montmorency | 591.30 mi (951.61 km) |
| Donegal to Sollies-Pont | 1,015.94 mi (1,635.00 km) |
| Donegal to Somain | 562.55 mi (905.34 km) |
| Donegal to Sorgues | 936.44 mi (1,507.05 km) |
| Donegal to Sotteville-les-Rouen | 532.37 mi (856.77 km) |
| Donegal to Soyaux | 722.18 mi (1,162.24 km) |
| Donegal to Stains | 595.83 mi (958.89 km) |
| Donegal to Stiring-Wendel | 741.16 mi (1,192.78 km) |
| Donegal to Strasbourg | 796.43 mi (1,281.73 km) |
| Donegal to Sucy-en-Brie | 609.16 mi (980.36 km) |
| Donegal to Suresnes | 594.61 mi (956.93 km) |
