| Ianca to Oberriet | 867.17 mi (1,395.58 km) |
| Ianca to Obersiggenthal | 927.33 mi (1,492.40 km) |
| Ianca to Oberwil | 961.81 mi (1,547.88 km) |
| Ianca to Oberwingert | 905.23 mi (1,456.82 km) |
| Ianca to Oftringen | 944.36 mi (1,519.80 km) |
| Ianca to Olten | 945.22 mi (1,521.19 km) |
| Ianca to Onex | 1,031.61 mi (1,660.22 km) |
| Ianca to Opfikon | 914.33 mi (1,471.47 km) |
| Ianca to Ostermundigen | 963.97 mi (1,551.37 km) |
| Ianca to Payerne | 990.29 mi (1,593.71 km) |
| Ianca to Pfaffikon | 903.97 mi (1,454.80 km) |
| Ianca to Plan-les-Ouates | 1,030.89 mi (1,659.06 km) |
| Ianca to Pratteln | 955.04 mi (1,536.98 km) |
| Ianca to Prilly | 1,006.57 mi (1,619.92 km) |
| Ianca to Pully | 1,003.45 mi (1,614.89 km) |
