| Champaign to Nyon | 4,480.62 mi (7,210.86 km) |
| Champaign to Oberriet | 4,576.70 mi (7,365.48 km) |
| Champaign to Obersiggenthal | 4,520.60 mi (7,275.20 km) |
| Champaign to Oberwil | 4,490.76 mi (7,227.18 km) |
| Champaign to Oberwingert | 4,538.02 mi (7,303.24 km) |
| Champaign to Oftringen | 4,512.37 mi (7,261.96 km) |
| Champaign to Olten | 4,510.46 mi (7,258.88 km) |
| Champaign to Onex | 4,482.71 mi (7,214.22 km) |
| Champaign to Opfikon | 4,533.34 mi (7,295.71 km) |
| Champaign to Ostermundigen | 4,509.22 mi (7,256.88 km) |
| Champaign to Payerne | 4,492.38 mi (7,229.79 km) |
| Champaign to Pfaffikon | 4,544.33 mi (7,313.39 km) |
| Champaign to Plan-les-Ouates | 4,484.00 mi (7,216.30 km) |
| Champaign to Pratteln | 4,496.34 mi (7,236.15 km) |
| Champaign to Prilly | 4,489.71 mi (7,225.49 km) |
