| Peterhead to Oerlinghausen | 564.91 mi (909.14 km) |
| Peterhead to Oestrich-Winkel | 653.57 mi (1,051.81 km) |
| Peterhead to Offenburg | 742.49 mi (1,194.91 km) |
| Peterhead to Oftersheim | 704.26 mi (1,133.39 km) |
| Peterhead to Ohrdruf | 683.18 mi (1,099.47 km) |
| Peterhead to Ohringen | 737.03 mi (1,186.14 km) |
| Peterhead to Olbernhau | 770.96 mi (1,240.74 km) |
| Peterhead to Olching | 841.13 mi (1,353.66 km) |
| Peterhead to Oldenburg | 494.54 mi (795.89 km) |
| Peterhead to Oldenburg in Holstein | 537.31 mi (864.72 km) |
| Peterhead to Olfen | 541.95 mi (872.18 km) |
| Peterhead to Olpe | 592.03 mi (952.78 km) |
| Peterhead to Olsberg | 591.55 mi (952.01 km) |
| Peterhead to Oranienburg | 676.10 mi (1,088.08 km) |
| Peterhead to Ortenberg | 660.76 mi (1,063.39 km) |
