| Rancho Santa Margarita to Olivares | 5,842.90 mi (9,403.24 km) |
| Rancho Santa Margarita to Olivenza | 5,747.79 mi (9,250.17 km) |
| Rancho Santa Margarita to Olot | 5,970.42 mi (9,608.46 km) |
| Rancho Santa Margarita to Onate | 5,746.17 mi (9,247.57 km) |
| Rancho Santa Margarita to Onda | 5,970.06 mi (9,607.88 km) |
| Rancho Santa Margarita to Onteniente | 6,009.27 mi (9,670.99 km) |
| Rancho Santa Margarita to Orihuela | 6,029.60 mi (9,703.71 km) |
| Rancho Santa Margarita to Osuna | 5,895.62 mi (9,488.09 km) |
| Rancho Santa Margarita to Ourense | 5,561.48 mi (8,950.34 km) |
| Rancho Santa Margarita to Oviedo | 5,598.66 mi (9,010.18 km) |
| Rancho Santa Margarita to Paiporta | 5,988.76 mi (9,637.97 km) |
| Rancho Santa Margarita to Pajara | 5,853.84 mi (9,420.85 km) |
| Rancho Santa Margarita to Palafolls | 6,004.68 mi (9,663.60 km) |
| Rancho Santa Margarita to Palafrugell | 6,008.00 mi (9,668.94 km) |
| Rancho Santa Margarita to Palamos | 6,010.19 mi (9,672.47 km) |
