| Red Bluff to Olivares | 5,721.99 mi (9,208.66 km) |
| Red Bluff to Olivenza | 5,623.01 mi (9,049.37 km) |
| Red Bluff to Olot | 5,779.63 mi (9,301.42 km) |
| Red Bluff to Onate | 5,572.41 mi (8,967.93 km) |
| Red Bluff to Onda | 5,805.19 mi (9,342.55 km) |
| Red Bluff to Onteniente | 5,852.93 mi (9,419.38 km) |
| Red Bluff to Orihuela | 5,879.39 mi (9,461.96 km) |
| Red Bluff to Osuna | 5,770.88 mi (9,287.33 km) |
| Red Bluff to Ourense | 5,415.88 mi (8,716.02 km) |
| Red Bluff to Oviedo | 5,437.68 mi (8,751.11 km) |
| Red Bluff to Paiporta | 5,827.84 mi (9,379.01 km) |
| Red Bluff to Pajara | 5,833.97 mi (9,388.86 km) |
| Red Bluff to Palafolls | 5,815.62 mi (9,359.34 km) |
| Red Bluff to Palafrugell | 5,815.61 mi (9,359.32 km) |
| Red Bluff to Palamos | 5,818.37 mi (9,363.76 km) |
