| Arrecife to Oerlinghausen | 1,955.53 mi (3,147.13 km) |
| Arrecife to Oestrich-Winkel | 1,838.98 mi (2,959.55 km) |
| Arrecife to Offenburg | 1,764.41 mi (2,839.54 km) |
| Arrecife to Oftersheim | 1,828.24 mi (2,942.27 km) |
| Arrecife to Ohrdruf | 1,966.29 mi (3,164.44 km) |
| Arrecife to Ohringen | 1,851.38 mi (2,979.52 km) |
| Arrecife to Olbernhau | 2,047.76 mi (3,295.55 km) |
| Arrecife to Olching | 1,873.48 mi (3,015.08 km) |
| Arrecife to Oldenburg | 2,001.88 mi (3,221.71 km) |
| Arrecife to Oldenburg in Holstein | 2,134.90 mi (3,435.78 km) |
| Arrecife to Olfen | 1,905.36 mi (3,066.38 km) |
| Arrecife to Olpe | 1,883.48 mi (3,031.17 km) |
| Arrecife to Olsberg | 1,919.64 mi (3,089.35 km) |
| Arrecife to Oranienburg | 2,134.03 mi (3,434.39 km) |
| Arrecife to Ortenberg | 1,889.76 mi (3,041.27 km) |
