| Ronnenberg to Oria | 899.45 mi (1,447.52 km) |
| Ronnenberg to Oristano | 859.18 mi (1,382.72 km) |
| Ronnenberg to Orta Nova | 810.71 mi (1,304.72 km) |
| Ronnenberg to Orte | 692.93 mi (1,115.17 km) |
| Ronnenberg to Ortona | 723.36 mi (1,164.13 km) |
| Ronnenberg to Orvieto | 673.08 mi (1,083.22 km) |
| Ronnenberg to Orzinuovi | 478.25 mi (769.67 km) |
| Ronnenberg to Osimo | 635.51 mi (1,022.75 km) |
| Ronnenberg to Ospitaletto | 467.74 mi (752.75 km) |
| Ronnenberg to Ostuni | 883.54 mi (1,421.92 km) |
| Ronnenberg to Ottaviano | 824.40 mi (1,326.75 km) |
| Ronnenberg to Ovada | 532.65 mi (857.21 km) |
| Ronnenberg to Ozieri | 811.36 mi (1,305.76 km) |
| Ronnenberg to Paceco | 1,000.31 mi (1,609.84 km) |
| Ronnenberg to Pachino | 1,110.11 mi (1,786.55 km) |
