| Birchington to Oerlinghausen | 317.92 mi (511.65 km) |
| Birchington to Oestrich-Winkel | 307.99 mi (495.66 km) |
| Birchington to Offenburg | 356.68 mi (574.02 km) |
| Birchington to Oftersheim | 349.26 mi (562.08 km) |
| Birchington to Ohrdruf | 410.50 mi (660.63 km) |
| Birchington to Ohringen | 391.52 mi (630.09 km) |
| Birchington to Olbernhau | 524.47 mi (844.05 km) |
| Birchington to Olching | 497.06 mi (799.94 km) |
| Birchington to Oldenburg | 316.49 mi (509.34 km) |
| Birchington to Oldenburg in Holstein | 447.38 mi (719.99 km) |
| Birchington to Olfen | 262.14 mi (421.88 km) |
| Birchington to Olpe | 283.66 mi (456.50 km) |
| Birchington to Olsberg | 309.56 mi (498.18 km) |
| Birchington to Oranienburg | 515.04 mi (828.88 km) |
| Birchington to Ortenberg | 345.08 mi (555.35 km) |
