| Killarney to Somma Lombardo | 933.79 mi (1,502.79 km) |
| Killarney to Somma Vesuviana | 1,366.77 mi (2,199.60 km) |
| Killarney to Sommacampagna | 1,030.82 mi (1,658.94 km) |
| Killarney to Sona | 1,028.86 mi (1,655.80 km) |
| Killarney to Sondrio | 962.27 mi (1,548.62 km) |
| Killarney to Sora | 1,296.12 mi (2,085.90 km) |
| Killarney to Sorbolo | 1,036.61 mi (1,668.26 km) |
| Killarney to Soresina | 995.45 mi (1,602.03 km) |
| Killarney to Sorisole | 969.86 mi (1,560.83 km) |
| Killarney to Sorrento | 1,375.81 mi (2,214.16 km) |
| Killarney to Sorso | 1,154.77 mi (1,858.42 km) |
| Killarney to Sortino | 1,572.37 mi (2,530.49 km) |
| Killarney to Soverato Marina | 1,552.42 mi (2,498.39 km) |
| Killarney to Sovicille | 1,133.51 mi (1,824.21 km) |
| Killarney to Spello | 1,202.52 mi (1,935.27 km) |
