| Gornja Radgona to Octeville | 836.00 mi (1,345.40 km) |
| Gornja Radgona to Oignies | 648.39 mi (1,043.48 km) |
| Gornja Radgona to Oissel | 711.70 mi (1,145.37 km) |
| Gornja Radgona to Olivet | 664.82 mi (1,069.92 km) |
| Gornja Radgona to Ollioules | 552.76 mi (889.58 km) |
| Gornja Radgona to Olonne-sur-Mer | 841.55 mi (1,354.35 km) |
| Gornja Radgona to Oloron-Sainte-Marie | 844.94 mi (1,359.80 km) |
| Gornja Radgona to Onet Village | 667.09 mi (1,073.57 km) |
| Gornja Radgona to Onnaing | 621.41 mi (1,000.07 km) |
| Gornja Radgona to Orange | 569.49 mi (916.51 km) |
| Gornja Radgona to Orchies | 638.10 mi (1,026.92 km) |
| Gornja Radgona to Orleans | 664.52 mi (1,069.44 km) |
| Gornja Radgona to Orly | 647.29 mi (1,041.71 km) |
| Gornja Radgona to Ormesson-sur-Marne | 641.12 mi (1,031.78 km) |
| Gornja Radgona to Orsay | 656.16 mi (1,055.99 km) |
