| Donegal to Solymar | 1,260.11 mi (2,027.95 km) |
| Donegal to Sopron | 1,165.15 mi (1,875.13 km) |
| Donegal to Szarvas | 1,351.15 mi (2,174.46 km) |
| Donegal to Szazhalombatta | 1,270.50 mi (2,044.67 km) |
| Donegal to Szeged | 1,359.46 mi (2,187.84 km) |
| Donegal to Szeghalom | 1,369.16 mi (2,203.45 km) |
| Donegal to Szekesfehervar | 1,254.85 mi (2,019.49 km) |
| Donegal to Szekszard | 1,299.56 mi (2,091.45 km) |
| Donegal to Szentendre | 1,261.35 mi (2,029.95 km) |
| Donegal to Szentes | 1,348.13 mi (2,169.61 km) |
| Donegal to Szentgotthard | 1,182.36 mi (1,902.82 km) |
| Donegal to Szigethalom | 1,273.60 mi (2,049.67 km) |
| Donegal to Szigetszentmiklos | 1,274.04 mi (2,050.36 km) |
| Donegal to Szigetvar | 1,277.51 mi (2,055.96 km) |
| Donegal to Szolnok | 1,325.49 mi (2,133.16 km) |
