| Okemos to Octeville | 3,785.45 mi (6,092.10 km) |
| Okemos to Oignies | 3,940.07 mi (6,340.92 km) |
| Okemos to Oissel | 3,903.29 mi (6,281.73 km) |
| Okemos to Olivet | 3,985.34 mi (6,413.78 km) |
| Okemos to Ollioules | 4,320.23 mi (6,952.75 km) |
| Okemos to Olonne-sur-Mer | 3,879.61 mi (6,243.62 km) |
| Okemos to Oloron-Sainte-Marie | 4,044.14 mi (6,508.42 km) |
| Okemos to Onet Village | 4,137.95 mi (6,659.38 km) |
| Okemos to Onnaing | 3,966.04 mi (6,382.73 km) |
| Okemos to Orange | 4,238.84 mi (6,821.75 km) |
| Okemos to Orchies | 3,949.52 mi (6,356.14 km) |
| Okemos to Orleans | 3,984.35 mi (6,412.19 km) |
| Okemos to Orly | 3,974.87 mi (6,396.94 km) |
| Okemos to Ormesson-sur-Marne | 3,979.21 mi (6,403.91 km) |
| Okemos to Orsay | 3,968.29 mi (6,386.35 km) |
