| Redding to Olivares | 5,707.63 mi (9,185.55 km) |
| Redding to Olivenza | 5,608.51 mi (9,026.03 km) |
| Redding to Olot | 5,761.98 mi (9,273.01 km) |
| Redding to Onate | 5,555.61 mi (8,940.89 km) |
| Redding to Onda | 5,788.71 mi (9,316.04 km) |
| Redding to Onteniente | 5,836.84 mi (9,393.48 km) |
| Redding to Orihuela | 5,863.57 mi (9,436.51 km) |
| Redding to Osuna | 5,756.32 mi (9,263.90 km) |
| Redding to Ourense | 5,400.47 mi (8,691.21 km) |
| Redding to Oviedo | 5,421.53 mi (8,725.12 km) |
| Redding to Paiporta | 5,811.55 mi (9,352.78 km) |
| Redding to Pajara | 5,824.58 mi (9,373.76 km) |
| Redding to Palafolls | 5,798.03 mi (9,331.03 km) |
| Redding to Palafrugell | 5,797.87 mi (9,330.77 km) |
| Redding to Palamos | 5,800.65 mi (9,335.24 km) |
