| Roy to Oerlinghausen | 5,088.17 mi (8,188.62 km) |
| Roy to Oestrich-Winkel | 5,168.89 mi (8,318.52 km) |
| Roy to Offenburg | 5,245.16 mi (8,441.26 km) |
| Roy to Oftersheim | 5,218.66 mi (8,398.62 km) |
| Roy to Ohrdruf | 5,206.13 mi (8,378.46 km) |
| Roy to Ohringen | 5,254.89 mi (8,456.93 km) |
| Roy to Olbernhau | 5,287.74 mi (8,509.80 km) |
| Roy to Olching | 5,361.30 mi (8,628.17 km) |
| Roy to Oldenburg | 5,015.48 mi (8,071.64 km) |
| Roy to Oldenburg in Holstein | 5,029.58 mi (8,094.32 km) |
| Roy to Olfen | 5,063.62 mi (8,149.11 km) |
| Roy to Olpe | 5,112.23 mi (8,227.35 km) |
| Roy to Olsberg | 5,114.33 mi (8,230.72 km) |
| Roy to Oranienburg | 5,173.54 mi (8,326.01 km) |
| Roy to Ortenberg | 5,182.01 mi (8,339.64 km) |
