| Heath to Olivares | 3,984.14 mi (6,411.86 km) |
| Heath to Olivenza | 3,897.53 mi (6,272.47 km) |
| Heath to Olot | 4,227.46 mi (6,803.44 km) |
| Heath to Onate | 3,979.73 mi (6,404.76 km) |
| Heath to Onda | 4,177.77 mi (6,723.46 km) |
| Heath to Onteniente | 4,200.64 mi (6,760.27 km) |
| Heath to Orihuela | 4,210.01 mi (6,775.36 km) |
| Heath to Osuna | 4,040.88 mi (6,503.17 km) |
| Heath to Ourense | 3,751.22 mi (6,037.00 km) |
| Heath to Oviedo | 3,814.45 mi (6,138.77 km) |
| Heath to Paiporta | 4,188.76 mi (6,741.16 km) |
| Heath to Pajara | 3,893.42 mi (6,265.85 km) |
| Heath to Palafolls | 4,256.68 mi (6,850.47 km) |
| Heath to Palafrugell | 4,266.57 mi (6,866.38 km) |
| Heath to Palamos | 4,267.51 mi (6,867.89 km) |
