| Wattwil to Nyon | 148.70 mi (239.30 km) |
| Wattwil to Oberriet | 22.69 mi (36.52 km) |
| Wattwil to Obersiggenthal | 39.28 mi (63.22 km) |
| Wattwil to Oberwil | 73.04 mi (117.55 km) |
| Wattwil to Oberwingert | 21.20 mi (34.12 km) |
| Wattwil to Oftringen | 54.66 mi (87.97 km) |
| Wattwil to Olten | 55.53 mi (89.37 km) |
| Wattwil to Onex | 160.79 mi (258.76 km) |
| Wattwil to Opfikon | 25.97 mi (41.79 km) |
| Wattwil to Ostermundigen | 78.53 mi (126.38 km) |
| Wattwil to Payerne | 106.46 mi (171.33 km) |
| Wattwil to Pfaffikon | 14.87 mi (23.93 km) |
| Wattwil to Plan-les-Ouates | 160.67 mi (258.57 km) |
| Wattwil to Pratteln | 66.45 mi (106.94 km) |
| Wattwil to Prilly | 128.48 mi (206.76 km) |
