| Youngsville to Orbetello | 5,451.61 mi (8,773.52 km) |
| Youngsville to Oria | 5,803.34 mi (9,339.58 km) |
| Youngsville to Oristano | 5,422.31 mi (8,726.36 km) |
| Youngsville to Orta Nova | 5,688.11 mi (9,154.13 km) |
| Youngsville to Orte | 5,502.03 mi (8,854.67 km) |
| Youngsville to Ortona | 5,593.04 mi (9,001.13 km) |
| Youngsville to Orvieto | 5,480.76 mi (8,820.43 km) |
| Youngsville to Orzinuovi | 5,293.68 mi (8,519.36 km) |
| Youngsville to Osimo | 5,511.89 mi (8,870.52 km) |
| Youngsville to Ospitaletto | 5,294.29 mi (8,520.33 km) |
| Youngsville to Ostuni | 5,791.96 mi (9,321.26 km) |
| Youngsville to Ottaviano | 5,652.74 mi (9,097.21 km) |
| Youngsville to Ovada | 5,264.47 mi (8,472.34 km) |
| Youngsville to Ozieri | 5,417.80 mi (8,719.10 km) |
| Youngsville to Paceco | 5,673.02 mi (9,129.84 km) |
