| Petrila to Oberkirch | 752.06 mi (1,210.32 km) |
| Petrila to Obernburg am Main | 729.06 mi (1,173.32 km) |
| Petrila to Obernkirchen | 800.50 mi (1,288.28 km) |
| Petrila to Oberschleissheim | 591.85 mi (952.48 km) |
| Petrila to Oberstdorf | 639.44 mi (1,029.08 km) |
| Petrila to Obertraubling | 580.62 mi (934.42 km) |
| Petrila to Obertshausen | 747.19 mi (1,202.48 km) |
| Petrila to Oberursel | 761.06 mi (1,224.81 km) |
| Petrila to Ochsenfurt | 685.74 mi (1,103.59 km) |
| Petrila to Ochsenhausen | 661.90 mi (1,065.23 km) |
| Petrila to Ochtrup | 870.44 mi (1,400.84 km) |
| Petrila to Odenthal | 841.06 mi (1,353.56 km) |
| Petrila to Oelde | 822.47 mi (1,323.64 km) |
| Petrila to Oelsnitz | 622.79 mi (1,002.28 km) |
| Petrila to Oer-Erkenschwick | 851.72 mi (1,370.71 km) |
