| Killamarsh to Olivares | 1,123.01 mi (1,807.31 km) |
| Killamarsh to Olivenza | 1,047.77 mi (1,686.23 km) |
| Killamarsh to Olot | 789.28 mi (1,270.23 km) |
| Killamarsh to Onate | 712.57 mi (1,146.78 km) |
| Killamarsh to Onda | 924.26 mi (1,487.45 km) |
| Killamarsh to Onteniente | 1,002.29 mi (1,613.03 km) |
| Killamarsh to Orihuela | 1,052.77 mi (1,694.27 km) |
| Killamarsh to Osuna | 1,126.27 mi (1,812.56 km) |
| Killamarsh to Ourense | 816.67 mi (1,314.31 km) |
| Killamarsh to Oviedo | 718.64 mi (1,156.53 km) |
| Killamarsh to Paiporta | 960.82 mi (1,546.29 km) |
| Killamarsh to Pajara | 1,843.79 mi (2,967.29 km) |
| Killamarsh to Palafolls | 826.71 mi (1,330.47 km) |
| Killamarsh to Palafrugell | 814.56 mi (1,310.91 km) |
| Killamarsh to Palamos | 818.98 mi (1,318.02 km) |
