| Pharr to Olivares | 5,248.39 mi (8,446.47 km) |
| Pharr to Olivenza | 5,167.59 mi (8,316.44 km) |
| Pharr to Olot | 5,530.51 mi (8,900.49 km) |
| Pharr to Onate | 5,279.47 mi (8,496.48 km) |
| Pharr to Onda | 5,468.11 mi (8,800.08 km) |
| Pharr to Onteniente | 5,485.02 mi (8,827.28 km) |
| Pharr to Orihuela | 5,489.98 mi (8,835.28 km) |
| Pharr to Osuna | 5,306.51 mi (8,540.00 km) |
| Pharr to Ourense | 5,040.27 mi (8,111.53 km) |
| Pharr to Oviedo | 5,111.05 mi (8,225.45 km) |
| Pharr to Paiporta | 5,476.39 mi (8,813.40 km) |
| Pharr to Pajara | 5,050.56 mi (8,128.09 km) |
| Pharr to Palafolls | 5,558.38 mi (8,945.35 km) |
| Pharr to Palafrugell | 5,569.62 mi (8,963.44 km) |
| Pharr to Palamos | 5,570.29 mi (8,964.52 km) |
