| Sierra Vista Southeast to Noventa Vicentina | 6,000.78 mi (9,657.33 km) |
| Sierra Vista Southeast to Novi di Modena | 5,996.74 mi (9,650.82 km) |
| Sierra Vista Southeast to Novi Ligure | 5,926.28 mi (9,537.43 km) |
| Sierra Vista Southeast to Nuoro | 6,151.80 mi (9,900.37 km) |
| Sierra Vista Southeast to Occhiobello | 6,019.66 mi (9,687.71 km) |
| Sierra Vista Southeast to Oderzo | 6,010.59 mi (9,673.11 km) |
| Sierra Vista Southeast to Oggiono | 5,899.66 mi (9,494.59 km) |
| Sierra Vista Southeast to Olbia | 6,130.48 mi (9,866.05 km) |
| Sierra Vista Southeast to Oleggio | 5,882.23 mi (9,466.54 km) |
| Sierra Vista Southeast to Olgiate Comasco | 5,885.88 mi (9,472.42 km) |
| Sierra Vista Southeast to Olgiate Olona | 5,889.76 mi (9,478.65 km) |
| Sierra Vista Southeast to Omegna | 5,861.35 mi (9,432.92 km) |
| Sierra Vista Southeast to Opera | 5,913.30 mi (9,516.54 km) |
| Sierra Vista Southeast to Oppeano | 5,987.61 mi (9,636.13 km) |
| Sierra Vista Southeast to Orbassano | 5,868.97 mi (9,445.19 km) |
