| Royse City to Orbetello | 5,498.63 mi (8,849.19 km) |
| Royse City to Oria | 5,843.61 mi (9,404.39 km) |
| Royse City to Oristano | 5,487.39 mi (8,831.10 km) |
| Royse City to Orta Nova | 5,729.52 mi (9,220.77 km) |
| Royse City to Orte | 5,546.23 mi (8,925.80 km) |
| Royse City to Ortona | 5,632.98 mi (9,065.41 km) |
| Royse City to Orvieto | 5,524.38 mi (8,890.64 km) |
| Royse City to Orzinuovi | 5,329.28 mi (8,576.64 km) |
| Royse City to Osimo | 5,548.72 mi (8,929.80 km) |
| Royse City to Ospitaletto | 5,328.83 mi (8,575.92 km) |
| Royse City to Ostuni | 5,831.32 mi (9,384.60 km) |
| Royse City to Ottaviano | 5,699.41 mi (9,172.31 km) |
| Royse City to Ovada | 5,306.53 mi (8,540.03 km) |
| Royse City to Ozieri | 5,478.70 mi (8,817.11 km) |
| Royse City to Paceco | 5,737.61 mi (9,233.79 km) |
