| Mazarron to Oerlinghausen | 1,104.47 mi (1,777.48 km) |
| Mazarron to Oestrich-Winkel | 972.92 mi (1,565.76 km) |
| Mazarron to Offenburg | 882.85 mi (1,420.81 km) |
| Mazarron to Oftersheim | 950.97 mi (1,530.44 km) |
| Mazarron to Ohrdruf | 1,088.46 mi (1,751.71 km) |
| Mazarron to Ohringen | 966.00 mi (1,554.62 km) |
| Mazarron to Olbernhau | 1,154.44 mi (1,857.89 km) |
| Mazarron to Olching | 969.69 mi (1,560.56 km) |
| Mazarron to Oldenburg | 1,167.02 mi (1,878.14 km) |
| Mazarron to Oldenburg in Holstein | 1,289.98 mi (2,076.03 km) |
| Mazarron to Olfen | 1,063.23 mi (1,711.11 km) |
| Mazarron to Olpe | 1,029.69 mi (1,657.13 km) |
| Mazarron to Olsberg | 1,063.70 mi (1,711.85 km) |
| Mazarron to Oranienburg | 1,259.22 mi (2,026.52 km) |
| Mazarron to Ortenberg | 1,018.94 mi (1,639.83 km) |
