| Dalkeith to Olivares | 1,284.85 mi (2,067.77 km) |
| Dalkeith to Olivenza | 1,203.58 mi (1,936.97 km) |
| Dalkeith to Olot | 979.48 mi (1,576.32 km) |
| Dalkeith to Onate | 889.17 mi (1,430.98 km) |
| Dalkeith to Onda | 1,108.23 mi (1,783.52 km) |
| Dalkeith to Onteniente | 1,185.05 mi (1,907.15 km) |
| Dalkeith to Orihuela | 1,234.44 mi (1,986.64 km) |
| Dalkeith to Osuna | 1,292.96 mi (2,080.81 km) |
| Dalkeith to Ourense | 961.15 mi (1,546.82 km) |
| Dalkeith to Oviedo | 874.89 mi (1,408.00 km) |
| Dalkeith to Paiporta | 1,144.23 mi (1,841.46 km) |
| Dalkeith to Pajara | 1,980.00 mi (3,186.51 km) |
| Dalkeith to Palafolls | 1,017.03 mi (1,636.75 km) |
| Dalkeith to Palafrugell | 1,005.29 mi (1,617.86 km) |
| Dalkeith to Palamos | 1,009.67 mi (1,624.91 km) |
