| Tarnaveni to Oerlinghausen | 803.24 mi (1,292.70 km) |
| Tarnaveni to Oestrich-Winkel | 789.61 mi (1,270.76 km) |
| Tarnaveni to Offenburg | 776.61 mi (1,249.84 km) |
| Tarnaveni to Oftersheim | 755.43 mi (1,215.75 km) |
| Tarnaveni to Ohrdruf | 691.06 mi (1,112.15 km) |
| Tarnaveni to Ohringen | 712.73 mi (1,147.03 km) |
| Tarnaveni to Olbernhau | 582.68 mi (937.74 km) |
| Tarnaveni to Olching | 620.14 mi (998.02 km) |
| Tarnaveni to Oldenburg | 854.77 mi (1,375.62 km) |
| Tarnaveni to Oldenburg in Holstein | 805.08 mi (1,295.65 km) |
| Tarnaveni to Olfen | 848.15 mi (1,364.97 km) |
| Tarnaveni to Olpe | 814.60 mi (1,310.97 km) |
| Tarnaveni to Olsberg | 795.12 mi (1,279.63 km) |
| Tarnaveni to Oranienburg | 663.31 mi (1,067.50 km) |
| Tarnaveni to Ortenberg | 750.36 mi (1,207.58 km) |
