| Donegal to Sonneberg | 860.22 mi (1,384.40 km) |
| Donegal to Sonsbeck | 634.95 mi (1,021.85 km) |
| Donegal to Sonthofen | 934.06 mi (1,503.22 km) |
| Donegal to Spaichingen | 853.92 mi (1,374.26 km) |
| Donegal to Spelle | 657.74 mi (1,058.52 km) |
| Donegal to Spenge | 703.66 mi (1,132.43 km) |
| Donegal to Speyer | 791.83 mi (1,274.32 km) |
| Donegal to Spiesen-Elversberg | 743.89 mi (1,197.17 km) |
| Donegal to Spremberg | 952.26 mi (1,532.51 km) |
| Donegal to Springe | 744.00 mi (1,197.35 km) |
| Donegal to Sprockhovel | 676.06 mi (1,088.01 km) |
| Donegal to Stade | 713.84 mi (1,148.82 km) |
| Donegal to Stadtallendorf | 761.10 mi (1,224.88 km) |
| Donegal to Stadthagen | 727.82 mi (1,171.31 km) |
| Donegal to Stadtlohn | 645.33 mi (1,038.55 km) |
