| Darlington to Oerlinghausen | 457.50 mi (736.27 km) |
| Darlington to Oestrich-Winkel | 510.16 mi (821.03 km) |
| Darlington to Offenburg | 583.69 mi (939.36 km) |
| Darlington to Oftersheim | 558.81 mi (899.31 km) |
| Darlington to Ohrdruf | 573.56 mi (923.06 km) |
| Darlington to Ohringen | 597.07 mi (960.90 km) |
| Darlington to Olbernhau | 677.61 mi (1,090.50 km) |
| Darlington to Olching | 704.81 mi (1,134.28 km) |
| Darlington to Oldenburg | 409.14 mi (658.45 km) |
| Darlington to Oldenburg in Holstein | 499.61 mi (804.05 km) |
| Darlington to Olfen | 417.89 mi (672.53 km) |
| Darlington to Olpe | 460.69 mi (741.41 km) |
| Darlington to Olsberg | 471.45 mi (758.72 km) |
| Darlington to Oranienburg | 616.83 mi (992.70 km) |
| Darlington to Ortenberg | 530.83 mi (854.28 km) |
