| Darlaston to Oerlinghausen | 454.44 mi (731.35 km) |
| Darlaston to Oestrich-Winkel | 468.54 mi (754.05 km) |
| Darlaston to Offenburg | 521.40 mi (839.12 km) |
| Darlaston to Oftersheim | 511.99 mi (823.97 km) |
| Darlaston to Ohrdruf | 559.50 mi (900.43 km) |
| Darlaston to Ohringen | 553.71 mi (891.12 km) |
| Darlaston to Olbernhau | 671.37 mi (1,080.47 km) |
| Darlaston to Olching | 660.24 mi (1,062.55 km) |
| Darlaston to Oldenburg | 429.47 mi (691.17 km) |
| Darlaston to Oldenburg in Holstein | 544.58 mi (876.41 km) |
| Darlaston to Olfen | 403.83 mi (649.91 km) |
| Darlaston to Olpe | 435.22 mi (700.42 km) |
| Darlaston to Olsberg | 455.71 mi (733.40 km) |
| Darlaston to Oranienburg | 639.35 mi (1,028.93 km) |
| Darlaston to Ortenberg | 501.17 mi (806.55 km) |
