| South Valley to Noventa Vicentina | 5,681.48 mi (9,143.45 km) |
| South Valley to Novi di Modena | 5,677.34 mi (9,136.79 km) |
| South Valley to Novi Ligure | 5,606.79 mi (9,023.25 km) |
| South Valley to Nuoro | 5,832.69 mi (9,386.80 km) |
| South Valley to Occhiobello | 5,700.31 mi (9,173.76 km) |
| South Valley to Oderzo | 5,691.47 mi (9,159.54 km) |
| South Valley to Oggiono | 5,580.25 mi (8,980.54 km) |
| South Valley to Olbia | 5,811.23 mi (9,352.27 km) |
| South Valley to Oleggio | 5,562.77 mi (8,952.42 km) |
| South Valley to Olgiate Comasco | 5,566.45 mi (8,958.33 km) |
| South Valley to Olgiate Olona | 5,570.31 mi (8,964.54 km) |
| South Valley to Omegna | 5,541.89 mi (8,918.81 km) |
| South Valley to Opera | 5,593.85 mi (9,002.43 km) |
| South Valley to Oppeano | 5,668.27 mi (9,122.20 km) |
| South Valley to Orbassano | 5,549.47 mi (8,931.01 km) |
