| Darlington to Oberkirch | 584.72 mi (941.02 km) |
| Darlington to Obernburg am Main | 555.93 mi (894.68 km) |
| Darlington to Obernkirchen | 465.97 mi (749.90 km) |
| Darlington to Oberschleissheim | 710.91 mi (1,144.09 km) |
| Darlington to Oberstdorf | 710.21 mi (1,142.97 km) |
| Darlington to Obertraubling | 699.65 mi (1,125.97 km) |
| Darlington to Obertshausen | 535.40 mi (861.65 km) |
| Darlington to Oberursel | 520.64 mi (837.89 km) |
| Darlington to Ochsenfurt | 596.23 mi (959.53 km) |
| Darlington to Ochsenhausen | 666.15 mi (1,072.07 km) |
| Darlington to Ochtrup | 394.17 mi (634.36 km) |
| Darlington to Odenthal | 434.89 mi (699.89 km) |
| Darlington to Oelde | 442.29 mi (711.79 km) |
| Darlington to Oelsnitz | 642.03 mi (1,033.24 km) |
| Darlington to Oer-Erkenschwick | 415.76 mi (669.10 km) |
