| Horsforth to Oerlinghausen | 448.21 mi (721.32 km) |
| Horsforth to Oestrich-Winkel | 488.40 mi (786.01 km) |
| Horsforth to Offenburg | 555.86 mi (894.57 km) |
| Horsforth to Oftersheim | 535.72 mi (862.16 km) |
| Horsforth to Ohrdruf | 561.43 mi (903.54 km) |
| Horsforth to Ohringen | 575.33 mi (925.90 km) |
| Horsforth to Olbernhau | 668.75 mi (1,076.25 km) |
| Horsforth to Olching | 683.18 mi (1,099.48 km) |
| Horsforth to Oldenburg | 407.68 mi (656.09 km) |
| Horsforth to Oldenburg in Holstein | 508.22 mi (817.89 km) |
| Horsforth to Olfen | 404.35 mi (650.74 km) |
| Horsforth to Olpe | 443.79 mi (714.21 km) |
| Horsforth to Olsberg | 457.93 mi (736.96 km) |
| Horsforth to Oranienburg | 617.86 mi (994.34 km) |
| Horsforth to Ortenberg | 513.14 mi (825.82 km) |
