| Gornja Radgona to Oerlinghausen | 491.98 mi (791.77 km) |
| Gornja Radgona to Oestrich-Winkel | 432.70 mi (696.36 km) |
| Gornja Radgona to Offenburg | 395.33 mi (636.22 km) |
| Gornja Radgona to Oftersheim | 389.47 mi (626.78 km) |
| Gornja Radgona to Ohrdruf | 373.63 mi (601.30 km) |
| Gornja Radgona to Ohringen | 347.32 mi (558.95 km) |
| Gornja Radgona to Olbernhau | 301.25 mi (484.81 km) |
| Gornja Radgona to Olching | 242.54 mi (390.33 km) |
| Gornja Radgona to Oldenburg | 564.61 mi (908.65 km) |
| Gornja Radgona to Oldenburg in Holstein | 572.33 mi (921.08 km) |
| Gornja Radgona to Olfen | 521.33 mi (839.00 km) |
| Gornja Radgona to Olpe | 476.62 mi (767.04 km) |
| Gornja Radgona to Olsberg | 468.74 mi (754.37 km) |
| Gornja Radgona to Oranienburg | 437.62 mi (704.28 km) |
| Gornja Radgona to Ortenberg | 406.51 mi (654.21 km) |
