| Rock Island to Nyon | 4,510.83 mi (7,259.48 km) |
| Rock Island to Oberriet | 4,600.98 mi (7,404.56 km) |
| Rock Island to Obersiggenthal | 4,545.90 mi (7,315.91 km) |
| Rock Island to Oberwil | 4,516.81 mi (7,269.11 km) |
| Rock Island to Oberwingert | 4,562.72 mi (7,342.99 km) |
| Rock Island to Oftringen | 4,538.49 mi (7,303.99 km) |
| Rock Island to Olten | 4,536.52 mi (7,300.82 km) |
| Rock Island to Onex | 4,513.55 mi (7,263.86 km) |
| Rock Island to Opfikon | 4,558.47 mi (7,336.14 km) |
| Rock Island to Ostermundigen | 4,536.67 mi (7,301.07 km) |
| Rock Island to Payerne | 4,520.79 mi (7,275.50 km) |
| Rock Island to Pfaffikon | 4,569.37 mi (7,353.68 km) |
| Rock Island to Plan-les-Ouates | 4,514.86 mi (7,265.97 km) |
| Rock Island to Pratteln | 4,522.22 mi (7,277.81 km) |
| Rock Island to Prilly | 4,519.16 mi (7,272.88 km) |
