| Bootle to Oerlinghausen | 497.94 mi (801.35 km) |
| Bootle to Oestrich-Winkel | 526.40 mi (847.16 km) |
| Bootle to Offenburg | 585.77 mi (942.70 km) |
| Bootle to Oftersheim | 571.82 mi (920.25 km) |
| Bootle to Ohrdruf | 608.26 mi (978.89 km) |
| Bootle to Ohringen | 612.70 mi (986.04 km) |
| Bootle to Olbernhau | 717.75 mi (1,155.10 km) |
| Bootle to Olching | 720.10 mi (1,158.88 km) |
| Bootle to Oldenburg | 462.64 mi (744.55 km) |
| Bootle to Oldenburg in Holstein | 567.25 mi (912.90 km) |
| Bootle to Olfen | 451.10 mi (725.98 km) |
| Bootle to Olpe | 487.17 mi (784.03 km) |
| Bootle to Olsberg | 504.23 mi (811.48 km) |
| Bootle to Oranienburg | 673.36 mi (1,083.67 km) |
| Bootle to Ortenberg | 555.22 mi (893.53 km) |
