| Summerlin South to Noventa Vicentina | 5,909.46 mi (9,510.36 km) |
| Summerlin South to Novi di Modena | 5,909.84 mi (9,510.97 km) |
| Summerlin South to Novi Ligure | 5,848.09 mi (9,411.60 km) |
| Summerlin South to Nuoro | 6,095.14 mi (9,809.18 km) |
| Summerlin South to Occhiobello | 5,930.02 mi (9,543.44 km) |
| Summerlin South to Oderzo | 5,913.08 mi (9,516.19 km) |
| Summerlin South to Oggiono | 5,813.92 mi (9,356.60 km) |
| Summerlin South to Olbia | 6,069.95 mi (9,768.65 km) |
| Summerlin South to Oleggio | 5,800.12 mi (9,334.39 km) |
| Summerlin South to Olgiate Comasco | 5,801.56 mi (9,336.71 km) |
| Summerlin South to Olgiate Olona | 5,806.54 mi (9,344.73 km) |
| Summerlin South to Omegna | 5,778.57 mi (9,299.71 km) |
| Summerlin South to Opera | 5,830.18 mi (9,382.77 km) |
| Summerlin South to Oppeano | 5,897.53 mi (9,491.16 km) |
| Summerlin South to Orbassano | 5,794.09 mi (9,324.69 km) |
