| Killarney to Settimo Torinese | 919.61 mi (1,479.97 km) |
| Killarney to Seveso | 952.75 mi (1,533.30 km) |
| Killarney to Sezze | 1,284.91 mi (2,067.87 km) |
| Killarney to Siano | 1,379.96 mi (2,220.83 km) |
| Killarney to Siena | 1,135.78 mi (1,827.86 km) |
| Killarney to Signa | 1,106.60 mi (1,780.90 km) |
| Killarney to Silea | 1,080.03 mi (1,738.15 km) |
| Killarney to Silvi Paese | 1,278.51 mi (2,057.57 km) |
| Killarney to Sinalunga | 1,155.87 mi (1,860.19 km) |
| Killarney to Siniscola | 1,205.51 mi (1,940.08 km) |
| Killarney to Sinnai | 1,254.93 mi (2,019.61 km) |
| Killarney to Siracusa | 1,586.68 mi (2,553.52 km) |
| Killarney to Solaro | 951.73 mi (1,531.66 km) |
| Killarney to Soliera | 1,059.90 mi (1,705.75 km) |
| Killarney to Solofra | 1,384.54 mi (2,228.20 km) |
