| Hamina to Oignies | 1,165.01 mi (1,874.90 km) |
| Hamina to Oissel | 1,279.76 mi (2,059.57 km) |
| Hamina to Olivet | 1,332.28 mi (2,144.10 km) |
| Hamina to Ollioules | 1,495.57 mi (2,406.89 km) |
| Hamina to Olonne-sur-Mer | 1,512.88 mi (2,434.75 km) |
| Hamina to Oloron-Sainte-Marie | 1,663.40 mi (2,676.98 km) |
| Hamina to Onet Village | 1,507.30 mi (2,425.76 km) |
| Hamina to Onnaing | 1,150.70 mi (1,851.87 km) |
| Hamina to Orange | 1,461.90 mi (2,352.70 km) |
| Hamina to Orchies | 1,157.09 mi (1,862.15 km) |
| Hamina to Orleans | 1,329.98 mi (2,140.39 km) |
| Hamina to Orly | 1,271.21 mi (2,045.82 km) |
| Hamina to Ormesson-sur-Marne | 1,264.69 mi (2,035.33 km) |
| Hamina to Orsay | 1,279.72 mi (2,059.52 km) |
| Hamina to Orthez | 1,651.31 mi (2,657.53 km) |
