| Unye to Oerlinghausen | 1,537.84 mi (2,474.91 km) |
| Unye to Oestrich-Winkel | 1,530.60 mi (2,463.26 km) |
| Unye to Offenburg | 1,514.40 mi (2,437.19 km) |
| Unye to Oftersheim | 1,496.07 mi (2,407.70 km) |
| Unye to Ohrdruf | 1,429.08 mi (2,299.88 km) |
| Unye to Ohringen | 1,453.29 mi (2,338.84 km) |
| Unye to Olbernhau | 1,318.02 mi (2,121.15 km) |
| Unye to Olching | 1,358.15 mi (2,185.74 km) |
| Unye to Oldenburg | 1,582.08 mi (2,546.10 km) |
| Unye to Oldenburg in Holstein | 1,512.73 mi (2,434.50 km) |
| Unye to Olfen | 1,585.36 mi (2,551.39 km) |
| Unye to Olpe | 1,554.03 mi (2,500.97 km) |
| Unye to Olsberg | 1,532.96 mi (2,467.06 km) |
| Unye to Oranienburg | 1,378.99 mi (2,219.28 km) |
| Unye to Ortenberg | 1,490.83 mi (2,399.26 km) |
