| Hallstahammar to Octeville | 988.42 mi (1,590.70 km) |
| Hallstahammar to Oignies | 818.45 mi (1,317.18 km) |
| Hallstahammar to Oissel | 930.59 mi (1,497.65 km) |
| Hallstahammar to Olivet | 997.07 mi (1,604.63 km) |
| Hallstahammar to Ollioules | 1,220.29 mi (1,963.87 km) |
| Hallstahammar to Olonne-sur-Mer | 1,165.39 mi (1,875.52 km) |
| Hallstahammar to Oloron-Sainte-Marie | 1,338.78 mi (2,154.55 km) |
| Hallstahammar to Onet Village | 1,197.98 mi (1,927.97 km) |
| Hallstahammar to Onnaing | 808.34 mi (1,300.90 km) |
| Hallstahammar to Orange | 1,171.68 mi (1,885.63 km) |
| Hallstahammar to Orchies | 811.95 mi (1,306.70 km) |
| Hallstahammar to Orleans | 994.57 mi (1,600.61 km) |
| Hallstahammar to Orly | 933.24 mi (1,501.91 km) |
| Hallstahammar to Ormesson-sur-Marne | 927.34 mi (1,492.41 km) |
| Hallstahammar to Orsay | 940.82 mi (1,514.10 km) |
