| Peterhead to Oberkirch | 741.84 mi (1,193.88 km) |
| Peterhead to Obernburg am Main | 691.63 mi (1,113.07 km) |
| Peterhead to Obernkirchen | 563.55 mi (906.95 km) |
| Peterhead to Oberschleissheim | 845.01 mi (1,359.90 km) |
| Peterhead to Oberstdorf | 860.32 mi (1,384.55 km) |
| Peterhead to Obertraubling | 822.33 mi (1,323.41 km) |
| Peterhead to Obertshausen | 670.91 mi (1,079.73 km) |
| Peterhead to Oberursel | 656.61 mi (1,056.71 km) |
| Peterhead to Ochsenfurt | 726.77 mi (1,169.62 km) |
| Peterhead to Ochsenhausen | 813.32 mi (1,308.92 km) |
| Peterhead to Ochtrup | 510.71 mi (821.91 km) |
| Peterhead to Odenthal | 572.74 mi (921.74 km) |
| Peterhead to Oelde | 556.90 mi (896.25 km) |
| Peterhead to Oelsnitz | 746.92 mi (1,202.06 km) |
| Peterhead to Oer-Erkenschwick | 542.44 mi (872.98 km) |
