| Royse City to Oberkirch | 5,137.32 mi (8,267.72 km) |
| Royse City to Obernburg am Main | 5,128.85 mi (8,254.08 km) |
| Royse City to Obernkirchen | 5,037.82 mi (8,107.58 km) |
| Royse City to Oberschleissheim | 5,281.23 mi (8,499.32 km) |
| Royse City to Oberstdorf | 5,264.83 mi (8,472.93 km) |
| Royse City to Obertraubling | 5,275.41 mi (8,489.95 km) |
| Royse City to Obertshausen | 5,108.86 mi (8,221.91 km) |
| Royse City to Oberursel | 5,094.21 mi (8,198.34 km) |
| Royse City to Ochsenfurt | 5,170.61 mi (8,321.29 km) |
| Royse City to Ochsenhausen | 5,226.51 mi (8,411.26 km) |
| Royse City to Ochtrup | 4,970.53 mi (7,999.29 km) |
| Royse City to Odenthal | 5,009.60 mi (8,062.17 km) |
| Royse City to Oelde | 5,018.76 mi (8,076.91 km) |
| Royse City to Oelsnitz | 5,218.05 mi (8,397.65 km) |
| Royse City to Oer-Erkenschwick | 4,992.79 mi (8,035.12 km) |
