| Happy Valley to Olivares | 5,479.94 mi (8,819.11 km) |
| Happy Valley to Olivenza | 5,379.54 mi (8,657.54 km) |
| Happy Valley to Olot | 5,501.15 mi (8,853.25 km) |
| Happy Valley to Onate | 5,303.58 mi (8,535.29 km) |
| Happy Valley to Onda | 5,539.49 mi (8,914.95 km) |
| Happy Valley to Onteniente | 5,591.30 mi (8,998.33 km) |
| Happy Valley to Orihuela | 5,620.76 mi (9,045.74 km) |
| Happy Valley to Osuna | 5,526.42 mi (8,893.91 km) |
| Happy Valley to Ourense | 5,162.65 mi (8,308.48 km) |
| Happy Valley to Oviedo | 5,176.24 mi (8,330.35 km) |
| Happy Valley to Paiporta | 5,564.03 mi (8,954.44 km) |
| Happy Valley to Pajara | 5,649.12 mi (9,091.38 km) |
| Happy Valley to Palafolls | 5,537.79 mi (8,912.22 km) |
| Happy Valley to Palafrugell | 5,536.15 mi (8,909.57 km) |
| Happy Valley to Palamos | 5,539.17 mi (8,914.43 km) |
