| Rocky River to Nyon | 4,160.66 mi (6,695.94 km) |
| Rocky River to Oberriet | 4,262.41 mi (6,859.68 km) |
| Rocky River to Obersiggenthal | 4,205.37 mi (6,767.89 km) |
| Rocky River to Oberwil | 4,174.84 mi (6,718.75 km) |
| Rocky River to Oberwingert | 4,223.37 mi (6,796.86 km) |
| Rocky River to Oftringen | 4,196.33 mi (6,753.35 km) |
| Rocky River to Olten | 4,194.49 mi (6,750.37 km) |
| Rocky River to Onex | 4,162.16 mi (6,698.35 km) |
| Rocky River to Opfikon | 4,218.27 mi (6,788.66 km) |
| Rocky River to Ostermundigen | 4,191.87 mi (6,746.16 km) |
| Rocky River to Payerne | 4,174.14 mi (6,717.63 km) |
| Rocky River to Pfaffikon | 4,229.32 mi (6,806.44 km) |
| Rocky River to Plan-les-Ouates | 4,163.43 mi (6,700.39 km) |
| Rocky River to Pratteln | 4,180.57 mi (6,727.98 km) |
| Rocky River to Prilly | 4,170.46 mi (6,711.71 km) |
