| Wyomissing to Octeville | 3,538.26 mi (5,694.28 km) |
| Wyomissing to Oignies | 3,710.06 mi (5,970.76 km) |
| Wyomissing to Oissel | 3,660.09 mi (5,890.35 km) |
| Wyomissing to Olivet | 3,732.92 mi (6,007.55 km) |
| Wyomissing to Ollioules | 4,045.57 mi (6,510.72 km) |
| Wyomissing to Olonne-sur-Mer | 3,608.44 mi (5,807.22 km) |
| Wyomissing to Oloron-Sainte-Marie | 3,752.31 mi (6,038.76 km) |
| Wyomissing to Onet Village | 3,862.47 mi (6,216.05 km) |
| Wyomissing to Onnaing | 3,736.83 mi (6,013.85 km) |
| Wyomissing to Orange | 3,967.84 mi (6,385.62 km) |
| Wyomissing to Orchies | 3,720.14 mi (5,986.99 km) |
| Wyomissing to Orleans | 3,732.24 mi (6,006.46 km) |
| Wyomissing to Orly | 3,730.23 mi (6,003.23 km) |
| Wyomissing to Ormesson-sur-Marne | 3,735.23 mi (6,011.27 km) |
| Wyomissing to Orsay | 3,722.80 mi (5,991.28 km) |
