| Billericay to Oerlinghausen | 353.04 mi (568.16 km) |
| Billericay to Oestrich-Winkel | 349.38 mi (562.27 km) |
| Billericay to Offenburg | 398.30 mi (640.99 km) |
| Billericay to Oftersheim | 391.05 mi (629.33 km) |
| Billericay to Ohrdruf | 449.31 mi (723.09 km) |
| Billericay to Ohringen | 433.24 mi (697.23 km) |
| Billericay to Olbernhau | 562.95 mi (905.99 km) |
| Billericay to Olching | 538.91 mi (867.30 km) |
| Billericay to Oldenburg | 344.81 mi (554.92 km) |
| Billericay to Oldenburg in Holstein | 472.44 mi (760.32 km) |
| Billericay to Olfen | 298.39 mi (480.21 km) |
| Billericay to Olpe | 322.80 mi (519.49 km) |
| Billericay to Olsberg | 347.32 mi (558.96 km) |
| Billericay to Oranienburg | 547.74 mi (881.50 km) |
| Billericay to Ortenberg | 385.51 mi (620.42 km) |
