| Palmers Green to Oerlinghausen | 375.58 mi (604.44 km) |
| Palmers Green to Oestrich-Winkel | 371.05 mi (597.14 km) |
| Palmers Green to Offenburg | 417.69 mi (672.21 km) |
| Palmers Green to Oftersheim | 412.15 mi (663.29 km) |
| Palmers Green to Ohrdruf | 471.88 mi (759.42 km) |
| Palmers Green to Ohringen | 454.48 mi (731.41 km) |
| Palmers Green to Olbernhau | 585.56 mi (942.37 km) |
| Palmers Green to Olching | 559.77 mi (900.87 km) |
| Palmers Green to Oldenburg | 366.28 mi (589.47 km) |
| Palmers Green to Oldenburg in Holstein | 492.97 mi (793.36 km) |
| Palmers Green to Olfen | 321.01 mi (516.62 km) |
| Palmers Green to Olpe | 345.32 mi (555.74 km) |
| Palmers Green to Olsberg | 369.96 mi (595.39 km) |
| Palmers Green to Oranienburg | 569.94 mi (917.22 km) |
| Palmers Green to Ortenberg | 407.73 mi (656.18 km) |
