| Sumner to Nyon | 5,259.32 mi (8,464.06 km) |
| Sumner to Oberriet | 5,288.99 mi (8,511.81 km) |
| Sumner to Obersiggenthal | 5,247.61 mi (8,445.20 km) |
| Sumner to Oberwil | 5,227.62 mi (8,413.04 km) |
| Sumner to Oberwingert | 5,257.64 mi (8,461.36 km) |
| Sumner to Oftringen | 5,248.18 mi (8,446.13 km) |
| Sumner to Olten | 5,245.82 mi (8,442.33 km) |
| Sumner to Onex | 5,267.39 mi (8,477.05 km) |
| Sumner to Opfikon | 5,257.55 mi (8,461.22 km) |
| Sumner to Ostermundigen | 5,258.49 mi (8,462.72 km) |
| Sumner to Payerne | 5,252.34 mi (8,452.82 km) |
| Sumner to Pfaffikon | 5,266.82 mi (8,476.12 km) |
| Sumner to Plan-les-Ouates | 5,268.79 mi (8,479.30 km) |
| Sumner to Pratteln | 5,231.08 mi (8,418.62 km) |
| Sumner to Prilly | 5,260.18 mi (8,465.44 km) |
