| Trecastagni to Oberriet | 726.31 mi (1,168.88 km) |
| Trecastagni to Obersiggenthal | 763.84 mi (1,229.28 km) |
| Trecastagni to Oberwil | 782.93 mi (1,260.00 km) |
| Trecastagni to Oberwingert | 755.12 mi (1,215.24 km) |
| Trecastagni to Oftringen | 762.49 mi (1,227.11 km) |
| Trecastagni to Olten | 764.87 mi (1,230.93 km) |
| Trecastagni to Onex | 749.81 mi (1,206.70 km) |
| Trecastagni to Opfikon | 754.42 mi (1,214.12 km) |
| Trecastagni to Ostermundigen | 752.14 mi (1,210.45 km) |
| Trecastagni to Payerne | 759.31 mi (1,222.00 km) |
| Trecastagni to Pfaffikon | 745.60 mi (1,199.92 km) |
| Trecastagni to Plan-les-Ouates | 748.42 mi (1,204.46 km) |
| Trecastagni to Pratteln | 779.56 mi (1,254.58 km) |
| Trecastagni to Prilly | 753.24 mi (1,212.22 km) |
| Trecastagni to Pully | 750.38 mi (1,207.62 km) |
