| Heysham to Oerlinghausen | 500.99 mi (806.27 km) |
| Heysham to Oestrich-Winkel | 540.14 mi (869.27 km) |
| Heysham to Offenburg | 605.33 mi (974.18 km) |
| Heysham to Oftersheim | 587.03 mi (944.74 km) |
| Heysham to Ohrdruf | 614.32 mi (988.65 km) |
| Heysham to Ohringen | 626.98 mi (1,009.03 km) |
| Heysham to Olbernhau | 721.55 mi (1,161.23 km) |
| Heysham to Olching | 734.78 mi (1,182.52 km) |
| Heysham to Oldenburg | 459.25 mi (739.09 km) |
| Heysham to Oldenburg in Holstein | 556.59 mi (895.74 km) |
| Heysham to Olfen | 457.23 mi (735.84 km) |
| Heysham to Olpe | 496.43 mi (798.92 km) |
| Heysham to Olsberg | 510.80 mi (822.05 km) |
| Heysham to Oranienburg | 668.98 mi (1,076.62 km) |
| Heysham to Ortenberg | 565.64 mi (910.31 km) |
