| Citrus Heights to Olivares | 5,756.04 mi (9,263.45 km) |
| Citrus Heights to Olivenza | 5,657.76 mi (9,105.28 km) |
| Citrus Heights to Olot | 5,828.80 mi (9,380.55 km) |
| Citrus Heights to Onate | 5,617.66 mi (9,040.74 km) |
| Citrus Heights to Onda | 5,848.83 mi (9,412.78 km) |
| Citrus Heights to Onteniente | 5,894.80 mi (9,486.76 km) |
| Citrus Heights to Orihuela | 5,919.98 mi (9,527.28 km) |
| Citrus Heights to Osuna | 5,805.82 mi (9,343.57 km) |
| Citrus Heights to Ourense | 5,454.84 mi (8,778.72 km) |
| Citrus Heights to Oviedo | 5,480.00 mi (8,819.20 km) |
| Citrus Heights to Paiporta | 5,870.66 mi (9,447.92 km) |
| Citrus Heights to Pajara | 5,846.17 mi (9,408.49 km) |
| Citrus Heights to Palafolls | 5,864.47 mi (9,437.95 km) |
| Citrus Heights to Palafrugell | 5,865.16 mi (9,439.07 km) |
| Citrus Heights to Palamos | 5,867.80 mi (9,443.32 km) |
