| Wattwil to Noventa Vicentina | 181.69 mi (292.41 km) |
| Wattwil to Novi di Modena | 187.44 mi (301.65 km) |
| Wattwil to Novi Ligure | 175.83 mi (282.98 km) |
| Wattwil to Nuoro | 482.36 mi (776.29 km) |
| Wattwil to Occhiobello | 203.02 mi (326.73 km) |
| Wattwil to Oderzo | 192.89 mi (310.43 km) |
| Wattwil to Oggiono | 105.26 mi (169.41 km) |
| Wattwil to Olbia | 441.23 mi (710.09 km) |
| Wattwil to Oleggio | 119.10 mi (191.67 km) |
| Wattwil to Olgiate Comasco | 104.64 mi (168.41 km) |
| Wattwil to Olgiate Olona | 115.25 mi (185.48 km) |
| Wattwil to Omegna | 103.07 mi (165.88 km) |
| Wattwil to Opera | 132.29 mi (212.90 km) |
| Wattwil to Oppeano | 170.47 mi (274.35 km) |
| Wattwil to Orbassano | 174.57 mi (280.94 km) |
