| Rancho Santa Margarita to Noventa Vicentina | 6,124.00 mi (9,855.63 km) |
| Rancho Santa Margarita to Novi di Modena | 6,124.48 mi (9,856.40 km) |
| Rancho Santa Margarita to Novi Ligure | 6,062.88 mi (9,757.26 km) |
| Rancho Santa Margarita to Nuoro | 6,309.90 mi (10,154.80 km) |
| Rancho Santa Margarita to Occhiobello | 6,144.59 mi (9,888.76 km) |
| Rancho Santa Margarita to Oderzo | 6,127.43 mi (9,861.15 km) |
| Rancho Santa Margarita to Oggiono | 6,028.60 mi (9,702.09 km) |
| Rancho Santa Margarita to Olbia | 6,284.75 mi (10,114.33 km) |
| Rancho Santa Margarita to Oleggio | 6,014.86 mi (9,679.97 km) |
| Rancho Santa Margarita to Olgiate Comasco | 6,016.26 mi (9,682.24 km) |
| Rancho Santa Margarita to Olgiate Olona | 6,021.26 mi (9,690.28 km) |
| Rancho Santa Margarita to Omegna | 5,993.30 mi (9,645.28 km) |
| Rancho Santa Margarita to Opera | 6,044.90 mi (9,728.33 km) |
| Rancho Santa Margarita to Oppeano | 6,112.10 mi (9,836.48 km) |
| Rancho Santa Margarita to Orbassano | 6,008.90 mi (9,670.40 km) |
