| Omerli to Oerlinghausen | 1,855.26 mi (2,985.75 km) |
| Omerli to Oestrich-Winkel | 1,841.36 mi (2,963.38 km) |
| Omerli to Offenburg | 1,818.62 mi (2,926.78 km) |
| Omerli to Oftersheim | 1,804.70 mi (2,904.38 km) |
| Omerli to Ohrdruf | 1,744.50 mi (2,807.51 km) |
| Omerli to Ohringen | 1,761.80 mi (2,835.34 km) |
| Omerli to Olbernhau | 1,634.85 mi (2,631.04 km) |
| Omerli to Olching | 1,663.40 mi (2,676.98 km) |
| Omerli to Oldenburg | 1,901.96 mi (3,060.91 km) |
| Omerli to Oldenburg in Holstein | 1,835.47 mi (2,953.91 km) |
| Omerli to Olfen | 1,901.41 mi (3,060.03 km) |
| Omerli to Olpe | 1,868.24 mi (3,006.63 km) |
| Omerli to Olsberg | 1,848.56 mi (2,974.97 km) |
| Omerli to Oranienburg | 1,700.59 mi (2,736.84 km) |
| Omerli to Ortenberg | 1,803.56 mi (2,902.54 km) |
