| Karis to Oignies | 1,042.11 mi (1,677.11 km) |
| Karis to Oissel | 1,156.65 mi (1,861.45 km) |
| Karis to Olivet | 1,211.52 mi (1,949.76 km) |
| Karis to Ollioules | 1,387.61 mi (2,233.13 km) |
| Karis to Olonne-sur-Mer | 1,390.31 mi (2,237.49 km) |
| Karis to Oloron-Sainte-Marie | 1,545.19 mi (2,486.74 km) |
| Karis to Onet Village | 1,391.90 mi (2,240.05 km) |
| Karis to Onnaing | 1,028.41 mi (1,655.06 km) |
| Karis to Orange | 1,350.46 mi (2,173.36 km) |
| Karis to Orchies | 1,034.39 mi (1,664.68 km) |
| Karis to Orleans | 1,209.18 mi (1,945.99 km) |
| Karis to Orly | 1,149.87 mi (1,850.53 km) |
| Karis to Ormesson-sur-Marne | 1,143.44 mi (1,840.19 km) |
| Karis to Orsay | 1,158.24 mi (1,864.01 km) |
| Karis to Orthez | 1,532.61 mi (2,466.50 km) |
