| Salt Lake City to Olivares | 5,286.33 mi (8,507.53 km) |
| Salt Lake City to Olivenza | 5,189.70 mi (8,352.02 km) |
| Salt Lake City to Olot | 5,394.66 mi (8,681.87 km) |
| Salt Lake City to Onate | 5,173.84 mi (8,326.50 km) |
| Salt Lake City to Onda | 5,400.26 mi (8,690.87 km) |
| Salt Lake City to Onteniente | 5,441.82 mi (8,757.77 km) |
| Salt Lake City to Orihuela | 5,463.93 mi (8,793.35 km) |
| Salt Lake City to Osuna | 5,337.82 mi (8,590.39 km) |
| Salt Lake City to Ourense | 4,996.39 mi (8,040.91 km) |
| Salt Lake City to Oviedo | 5,029.31 mi (8,093.90 km) |
| Salt Lake City to Paiporta | 5,420.03 mi (8,722.69 km) |
| Salt Lake City to Pajara | 5,342.98 mi (8,598.69 km) |
| Salt Lake City to Palafolls | 5,429.32 mi (8,737.64 km) |
| Salt Lake City to Palafrugell | 5,431.97 mi (8,741.91 km) |
| Salt Lake City to Palamos | 5,434.28 mi (8,745.62 km) |
