| Royston to Nyon | 482.11 mi (775.88 km) |
| Royston to Oberriet | 538.26 mi (866.25 km) |
| Royston to Obersiggenthal | 486.17 mi (782.42 km) |
| Royston to Oberwil | 460.35 mi (740.86 km) |
| Royston to Oberwingert | 501.13 mi (806.49 km) |
| Royston to Oftringen | 481.91 mi (775.56 km) |
| Royston to Olten | 479.72 mi (772.03 km) |
| Royston to Onex | 490.28 mi (789.04 km) |
| Royston to Opfikon | 498.06 mi (801.55 km) |
| Royston to Ostermundigen | 486.68 mi (783.23 km) |
| Royston to Payerne | 477.30 mi (768.14 km) |
| Royston to Pfaffikon | 508.61 mi (818.54 km) |
| Royston to Plan-les-Ouates | 491.68 mi (791.28 km) |
| Royston to Pratteln | 464.96 mi (748.27 km) |
| Royston to Prilly | 483.46 mi (778.06 km) |
