| Royse City to Odenton (Maryland) | 1,171.58 mi (1,885.48 km) |
| Royse City to Odessa (Texas) | 359.52 mi (578.59 km) |
| Royse City to Ogden (Utah) | 1,031.35 mi (1,659.80 km) |
| Royse City to Oildale (California) | 1,306.01 mi (2,101.82 km) |
| Royse City to Ojus (Florida) | 1,084.46 mi (1,745.28 km) |
| Royse City to Okemos (Michigan) | 932.94 mi (1,501.42 km) |
| Royse City to Oklahoma City (Oklahoma) | 185.20 mi (298.05 km) |
| Royse City to Okmulgee (Oklahoma) | 183.07 mi (294.63 km) |
| Royse City to Olathe (Kansas) | 416.63 mi (670.50 km) |
| Royse City to Old Jamestown (Missouri) | 527.07 mi (848.24 km) |
| Royse City to Oldsmar (Florida) | 879.85 mi (1,415.98 km) |
| Royse City to Olean (New York) | 1,160.92 mi (1,868.32 km) |
| Royse City to Olive Branch (Mississippi) | 395.23 mi (636.06 km) |
| Royse City to Olivehurst (California) | 1,466.52 mi (2,360.13 km) |
| Royse City to Olney (Maryland) | 1,153.53 mi (1,856.42 km) |
