| Northallerton to Oberkirch | 572.40 mi (921.18 km) |
| Northallerton to Obernburg am Main | 544.94 mi (877.00 km) |
| Northallerton to Obernkirchen | 457.85 mi (736.84 km) |
| Northallerton to Oberschleissheim | 699.76 mi (1,126.16 km) |
| Northallerton to Oberstdorf | 698.14 mi (1,123.55 km) |
| Northallerton to Obertraubling | 689.21 mi (1,109.18 km) |
| Northallerton to Obertshausen | 524.48 mi (844.06 km) |
| Northallerton to Oberursel | 509.72 mi (820.31 km) |
| Northallerton to Ochsenfurt | 585.48 mi (942.25 km) |
| Northallerton to Ochsenhausen | 654.30 mi (1,052.99 km) |
| Northallerton to Ochtrup | 385.07 mi (619.71 km) |
| Northallerton to Odenthal | 424.09 mi (682.51 km) |
| Northallerton to Oelde | 433.08 mi (696.97 km) |
| Northallerton to Oelsnitz | 632.83 mi (1,018.44 km) |
| Northallerton to Oer-Erkenschwick | 405.81 mi (653.10 km) |
