| Ruse to Oestrich-Winkel | 945.53 mi (1,521.69 km) |
| Ruse to Offenburg | 917.70 mi (1,476.90 km) |
| Ruse to Oftersheim | 906.56 mi (1,458.96 km) |
| Ruse to Ohrdruf | 859.03 mi (1,382.48 km) |
| Ruse to Ohringen | 863.71 mi (1,390.00 km) |
| Ruse to Olbernhau | 755.89 mi (1,216.49 km) |
| Ruse to Olching | 763.15 mi (1,228.17 km) |
| Ruse to Oldenburg | 1,031.90 mi (1,660.68 km) |
| Ruse to Oldenburg in Holstein | 990.72 mi (1,594.41 km) |
| Ruse to Olfen | 1,015.94 mi (1,634.99 km) |
| Ruse to Olpe | 978.33 mi (1,574.48 km) |
| Ruse to Olsberg | 962.36 mi (1,548.77 km) |
| Ruse to Oranienburg | 847.65 mi (1,364.17 km) |
| Ruse to Ortenberg | 911.13 mi (1,466.32 km) |
| Ruse to Oschatz | 788.99 mi (1,269.75 km) |
