| Ephrata to Orbetello | 4,321.54 mi (6,954.84 km) |
| Ephrata to Oria | 4,673.67 mi (7,521.54 km) |
| Ephrata to Oristano | 4,293.46 mi (6,909.66 km) |
| Ephrata to Orta Nova | 4,558.37 mi (7,335.98 km) |
| Ephrata to Orte | 4,372.11 mi (7,036.22 km) |
| Ephrata to Ortona | 4,463.49 mi (7,183.30 km) |
| Ephrata to Orvieto | 4,350.88 mi (7,002.07 km) |
| Ephrata to Orzinuovi | 4,164.98 mi (6,702.88 km) |
| Ephrata to Osimo | 4,382.81 mi (7,053.46 km) |
| Ephrata to Ospitaletto | 4,165.79 mi (6,704.19 km) |
| Ephrata to Ostuni | 4,662.39 mi (7,503.39 km) |
| Ephrata to Ottaviano | 4,522.65 mi (7,278.51 km) |
| Ephrata to Ovada | 4,134.82 mi (6,654.34 km) |
| Ephrata to Ozieri | 4,288.31 mi (6,901.37 km) |
| Ephrata to Paceco | 4,544.21 mi (7,313.19 km) |
