| Killarney to Orthez | 716.69 mi (1,153.40 km) |
| Killarney to Orvault | 482.96 mi (777.24 km) |
| Killarney to Osny | 547.73 mi (881.49 km) |
| Killarney to Ostwald | 795.44 mi (1,280.14 km) |
| Killarney to Ouistreham | 447.81 mi (720.69 km) |
| Killarney to Oullins | 782.13 mi (1,258.72 km) |
| Killarney to Outreau | 487.27 mi (784.19 km) |
| Killarney to Oyonnax | 791.57 mi (1,273.91 km) |
| Killarney to Ozoir-la-Ferriere | 581.54 mi (935.90 km) |
| Killarney to Pace | 436.04 mi (701.73 km) |
| Killarney to Palaiseau | 566.13 mi (911.10 km) |
| Killarney to Pamiers | 804.50 mi (1,294.72 km) |
| Killarney to Panazol | 651.18 mi (1,047.97 km) |
| Killarney to Pantin | 566.53 mi (911.75 km) |
| Killarney to Paray-le-Monial | 724.71 mi (1,166.31 km) |
