| Croydon to Oerlinghausen | 378.09 mi (608.47 km) |
| Croydon to Oestrich-Winkel | 367.25 mi (591.03 km) |
| Croydon to Offenburg | 409.97 mi (659.79 km) |
| Croydon to Oftersheim | 407.06 mi (655.09 km) |
| Croydon to Ohrdruf | 471.51 mi (758.82 km) |
| Croydon to Ohringen | 449.62 mi (723.60 km) |
| Croydon to Olbernhau | 585.49 mi (942.26 km) |
| Croydon to Olching | 554.11 mi (891.75 km) |
| Croydon to Oldenburg | 372.43 mi (599.37 km) |
| Croydon to Oldenburg in Holstein | 500.75 mi (805.88 km) |
| Croydon to Olfen | 322.71 mi (519.35 km) |
| Croydon to Olpe | 344.64 mi (554.65 km) |
| Croydon to Olsberg | 370.52 mi (596.30 km) |
| Croydon to Oranienburg | 574.05 mi (923.85 km) |
| Croydon to Ortenberg | 405.53 mi (652.64 km) |
