| Kilmarnock to Olivares | 1,259.48 mi (2,026.94 km) |
| Kilmarnock to Olivenza | 1,175.60 mi (1,891.95 km) |
| Kilmarnock to Olot | 979.39 mi (1,576.17 km) |
| Kilmarnock to Onate | 873.97 mi (1,406.52 km) |
| Kilmarnock to Onda | 1,098.40 mi (1,767.71 km) |
| Kilmarnock to Onteniente | 1,173.80 mi (1,889.06 km) |
| Kilmarnock to Orihuela | 1,222.05 mi (1,966.70 km) |
| Kilmarnock to Osuna | 1,270.10 mi (2,044.02 km) |
| Kilmarnock to Ourense | 929.54 mi (1,495.95 km) |
| Kilmarnock to Oviedo | 848.59 mi (1,365.67 km) |
| Kilmarnock to Paiporta | 1,133.74 mi (1,824.57 km) |
| Kilmarnock to Pajara | 1,942.91 mi (3,126.82 km) |
| Kilmarnock to Palafolls | 1,017.18 mi (1,637.00 km) |
| Kilmarnock to Palafrugell | 1,006.93 mi (1,620.49 km) |
| Kilmarnock to Palamos | 1,011.12 mi (1,627.25 km) |
