| Avenel to Oerlinghausen | 3,817.66 mi (6,143.93 km) |
| Avenel to Oestrich-Winkel | 3,846.18 mi (6,189.83 km) |
| Avenel to Offenburg | 3,887.82 mi (6,256.85 km) |
| Avenel to Oftersheim | 3,888.09 mi (6,257.27 km) |
| Avenel to Ohrdruf | 3,931.30 mi (6,326.81 km) |
| Avenel to Ohringen | 3,930.41 mi (6,325.39 km) |
| Avenel to Olbernhau | 4,038.19 mi (6,498.84 km) |
| Avenel to Olching | 4,035.36 mi (6,494.29 km) |
| Avenel to Oldenburg | 3,768.43 mi (6,064.70 km) |
| Avenel to Oldenburg in Holstein | 3,837.86 mi (6,176.44 km) |
| Avenel to Olfen | 3,774.08 mi (6,073.80 km) |
| Avenel to Olpe | 3,810.98 mi (6,133.18 km) |
| Avenel to Olsberg | 3,827.53 mi (6,159.81 km) |
| Avenel to Oranienburg | 3,970.22 mi (6,389.46 km) |
| Avenel to Ortenberg | 3,878.47 mi (6,241.80 km) |
