| Killarney to Oberriet | 910.07 mi (1,464.62 km) |
| Killarney to Obersiggenthal | 852.00 mi (1,371.16 km) |
| Killarney to Oberwil | 820.88 mi (1,321.09 km) |
| Killarney to Oberwingert | 870.65 mi (1,401.17 km) |
| Killarney to Oftringen | 842.29 mi (1,355.53 km) |
| Killarney to Olten | 840.48 mi (1,352.62 km) |
| Killarney to Onex | 811.74 mi (1,306.37 km) |
| Killarney to Opfikon | 865.04 mi (1,392.15 km) |
| Killarney to Ostermundigen | 837.52 mi (1,347.85 km) |
| Killarney to Payerne | 820.19 mi (1,319.96 km) |
| Killarney to Pfaffikon | 876.14 mi (1,410.02 km) |
| Killarney to Plan-les-Ouates | 813.06 mi (1,308.50 km) |
| Killarney to Pratteln | 826.73 mi (1,330.49 km) |
| Killarney to Prilly | 817.59 mi (1,315.78 km) |
| Killarney to Pully | 820.86 mi (1,321.05 km) |
