| Spout Springs to Olivares | 3,952.09 mi (6,360.27 km) |
| Spout Springs to Olivenza | 3,872.10 mi (6,231.54 km) |
| Spout Springs to Olot | 4,250.17 mi (6,839.99 km) |
| Spout Springs to Onate | 3,996.72 mi (6,432.10 km) |
| Spout Springs to Onda | 4,178.57 mi (6,724.75 km) |
| Spout Springs to Onteniente | 4,192.83 mi (6,747.70 km) |
| Spout Springs to Orihuela | 4,196.34 mi (6,753.36 km) |
| Spout Springs to Osuna | 4,010.31 mi (6,453.96 km) |
| Spout Springs to Ourense | 3,750.99 mi (6,036.64 km) |
| Spout Springs to Oviedo | 3,826.26 mi (6,157.78 km) |
| Spout Springs to Paiporta | 4,185.54 mi (6,735.97 km) |
| Spout Springs to Pajara | 3,775.69 mi (6,076.39 km) |
| Spout Springs to Palafolls | 4,276.61 mi (6,882.54 km) |
| Spout Springs to Palafrugell | 4,289.18 mi (6,902.77 km) |
| Spout Springs to Palamos | 4,289.56 mi (6,903.38 km) |
