| Efkarpia to Oberriet | 806.02 mi (1,297.16 km) |
| Efkarpia to Obersiggenthal | 863.96 mi (1,390.41 km) |
| Efkarpia to Oberwil | 895.50 mi (1,441.17 km) |
| Efkarpia to Oberwingert | 845.32 mi (1,360.41 km) |
| Efkarpia to Oftringen | 874.31 mi (1,407.07 km) |
| Efkarpia to Olten | 876.03 mi (1,409.83 km) |
| Efkarpia to Onex | 924.50 mi (1,487.83 km) |
| Efkarpia to Opfikon | 850.88 mi (1,369.36 km) |
| Efkarpia to Ostermundigen | 881.97 mi (1,419.40 km) |
| Efkarpia to Payerne | 902.41 mi (1,452.29 km) |
| Efkarpia to Pfaffikon | 839.78 mi (1,351.49 km) |
| Efkarpia to Plan-les-Ouates | 923.38 mi (1,486.03 km) |
| Efkarpia to Pratteln | 889.51 mi (1,431.53 km) |
| Efkarpia to Prilly | 910.01 mi (1,464.51 km) |
| Efkarpia to Pully | 906.64 mi (1,459.09 km) |
