| Royston to Orthez | 592.39 mi (953.36 km) |
| Royston to Orvault | 337.62 mi (543.34 km) |
| Royston to Osny | 225.76 mi (363.33 km) |
| Royston to Ostwald | 417.80 mi (672.39 km) |
| Royston to Ouistreham | 191.53 mi (308.23 km) |
| Royston to Oullins | 489.17 mi (787.24 km) |
| Royston to Outreau | 116.01 mi (186.70 km) |
| Royston to Oyonnax | 474.95 mi (764.35 km) |
| Royston to Ozoir-la-Ferriere | 255.21 mi (410.72 km) |
| Royston to Pace | 280.38 mi (451.23 km) |
| Royston to Palaiseau | 250.94 mi (403.85 km) |
| Royston to Pamiers | 621.67 mi (1,000.49 km) |
| Royston to Panazol | 433.15 mi (697.09 km) |
| Royston to Pantin | 242.30 mi (389.95 km) |
| Royston to Paray-le-Monial | 429.19 mi (690.72 km) |
