| Royse City to Oerlinghausen | 5,032.61 mi (8,099.20 km) |
| Royse City to Oestrich-Winkel | 5,080.07 mi (8,175.58 km) |
| Royse City to Offenburg | 5,133.99 mi (8,262.36 km) |
| Royse City to Oftersheim | 5,125.40 mi (8,248.54 km) |
| Royse City to Ohrdruf | 5,150.10 mi (8,288.28 km) |
| Royse City to Ohringen | 5,166.44 mi (8,314.58 km) |
| Royse City to Olbernhau | 5,250.02 mi (8,449.10 km) |
| Royse City to Olching | 5,273.74 mi (8,487.26 km) |
| Royse City to Oldenburg | 4,973.71 mi (8,004.41 km) |
| Royse City to Oldenburg in Holstein | 5,023.62 mi (8,084.74 km) |
| Royse City to Olfen | 4,994.99 mi (8,038.65 km) |
| Royse City to Olpe | 5,036.77 mi (8,105.89 km) |
| Royse City to Olsberg | 5,048.53 mi (8,124.82 km) |
| Royse City to Oranienburg | 5,163.44 mi (8,309.75 km) |
| Royse City to Ortenberg | 5,106.36 mi (8,217.89 km) |
