| Donegal to Saarijarvi | 1,301.87 mi (2,095.16 km) |
| Donegal to Salo | 1,211.17 mi (1,949.20 km) |
| Donegal to Sastamala | 1,211.70 mi (1,950.04 km) |
| Donegal to Savonlinna | 1,410.79 mi (2,270.45 km) |
| Donegal to Seinajoki | 1,228.11 mi (1,976.45 km) |
| Donegal to Siilinjarvi | 1,380.57 mi (2,221.82 km) |
| Donegal to Sipoo | 1,284.26 mi (2,066.82 km) |
| Donegal to Sippola | 1,344.08 mi (2,163.08 km) |
| Donegal to Sodankyla | 1,426.30 mi (2,295.40 km) |
| Donegal to Somero | 1,226.03 mi (1,973.10 km) |
| Donegal to Sotkamo | 1,414.32 mi (2,276.12 km) |
| Donegal to Tampere | 1,241.10 mi (1,997.36 km) |
| Donegal to Tornio | 1,325.91 mi (2,133.85 km) |
| Donegal to Turku | 1,182.48 mi (1,903.02 km) |
| Donegal to Tuusula | 1,276.91 mi (2,054.99 km) |
