| Oskarshamn to Octeville | 908.07 mi (1,461.39 km) |
| Oskarshamn to Oignies | 719.58 mi (1,158.05 km) |
| Oskarshamn to Oissel | 834.36 mi (1,342.78 km) |
| Oskarshamn to Olivet | 888.22 mi (1,429.45 km) |
| Oskarshamn to Ollioules | 1,079.87 mi (1,737.88 km) |
| Oskarshamn to Olonne-sur-Mer | 1,067.49 mi (1,717.96 km) |
| Oskarshamn to Oloron-Sainte-Marie | 1,223.03 mi (1,968.27 km) |
| Oskarshamn to Onet Village | 1,072.68 mi (1,726.30 km) |
| Oskarshamn to Onnaing | 705.37 mi (1,135.19 km) |
| Oskarshamn to Orange | 1,036.96 mi (1,668.83 km) |
| Oskarshamn to Orchies | 711.66 mi (1,145.31 km) |
| Oskarshamn to Orleans | 885.87 mi (1,425.67 km) |
| Oskarshamn to Orly | 826.54 mi (1,330.19 km) |
| Oskarshamn to Ormesson-sur-Marne | 820.10 mi (1,319.83 km) |
| Oskarshamn to Orsay | 834.93 mi (1,343.68 km) |
