| Haywards Heath to Oerlinghausen | 382.66 mi (615.84 km) |
| Haywards Heath to Oestrich-Winkel | 362.39 mi (583.20 km) |
| Haywards Heath to Offenburg | 398.93 mi (642.02 km) |
| Haywards Heath to Oftersheim | 400.08 mi (643.87 km) |
| Haywards Heath to Ohrdruf | 471.52 mi (758.84 km) |
| Haywards Heath to Ohringen | 442.89 mi (712.76 km) |
| Haywards Heath to Olbernhau | 585.73 mi (942.64 km) |
| Haywards Heath to Olching | 545.93 mi (878.59 km) |
| Haywards Heath to Oldenburg | 382.38 mi (615.39 km) |
| Haywards Heath to Oldenburg in Holstein | 512.76 mi (825.21 km) |
| Haywards Heath to Olfen | 326.34 mi (525.19 km) |
| Haywards Heath to Olpe | 344.62 mi (554.61 km) |
| Haywards Heath to Olsberg | 372.25 mi (599.08 km) |
| Haywards Heath to Oranienburg | 580.56 mi (934.32 km) |
| Haywards Heath to Ortenberg | 402.97 mi (648.52 km) |
