| Burnham-on-Sea to Oerlinghausen | 502.38 mi (808.50 km) |
| Burnham-on-Sea to Oestrich-Winkel | 488.98 mi (786.93 km) |
| Burnham-on-Sea to Offenburg | 522.44 mi (840.78 km) |
| Burnham-on-Sea to Oftersheim | 526.37 mi (847.11 km) |
| Burnham-on-Sea to Ohrdruf | 596.22 mi (959.53 km) |
| Burnham-on-Sea to Ohringen | 569.22 mi (916.07 km) |
| Burnham-on-Sea to Olbernhau | 710.28 mi (1,143.08 km) |
| Burnham-on-Sea to Olching | 671.54 mi (1,080.74 km) |
| Burnham-on-Sea to Oldenburg | 492.06 mi (791.89 km) |
| Burnham-on-Sea to Oldenburg in Holstein | 616.24 mi (991.74 km) |
| Burnham-on-Sea to Olfen | 447.39 mi (720.01 km) |
| Burnham-on-Sea to Olpe | 469.30 mi (755.27 km) |
| Burnham-on-Sea to Olsberg | 495.42 mi (797.30 km) |
| Burnham-on-Sea to Oranienburg | 696.84 mi (1,121.46 km) |
| Burnham-on-Sea to Ortenberg | 529.10 mi (851.51 km) |
