| Keskin to Octeville | 1,843.71 mi (2,967.16 km) |
| Keskin to Oignies | 1,653.91 mi (2,661.72 km) |
| Keskin to Oissel | 1,719.40 mi (2,767.11 km) |
| Keskin to Olivet | 1,666.46 mi (2,681.92 km) |
| Keskin to Ollioules | 1,451.87 mi (2,336.55 km) |
| Keskin to Olonne-sur-Mer | 1,830.19 mi (2,945.41 km) |
| Keskin to Oloron-Sainte-Marie | 1,776.69 mi (2,859.30 km) |
| Keskin to Onet Village | 1,614.78 mi (2,598.74 km) |
| Keskin to Onnaing | 1,626.76 mi (2,618.02 km) |
| Keskin to Orange | 1,504.80 mi (2,421.74 km) |
| Keskin to Orchies | 1,643.37 mi (2,644.75 km) |
| Keskin to Orleans | 1,666.46 mi (2,681.90 km) |
| Keskin to Orly | 1,653.93 mi (2,661.75 km) |
| Keskin to Ormesson-sur-Marne | 1,647.95 mi (2,652.12 km) |
| Keskin to Orsay | 1,662.57 mi (2,675.65 km) |
