| Rancho Santa Margarita to Nasaud | 6,369.64 mi (10,250.94 km) |
| Rancho Santa Margarita to Navodari | 6,647.20 mi (10,697.64 km) |
| Rancho Santa Margarita to Negresti-Oas | 6,311.27 mi (10,157.01 km) |
| Rancho Santa Margarita to Nehoiu | 6,530.45 mi (10,509.74 km) |
| Rancho Santa Margarita to Ocna Mures | 6,409.16 mi (10,314.55 km) |
| Rancho Santa Margarita to Odobesti | 6,523.46 mi (10,498.50 km) |
| Rancho Santa Margarita to Odorheiu Secuiesc | 6,448.83 mi (10,378.40 km) |
| Rancho Santa Margarita to Oltenita | 6,614.69 mi (10,645.31 km) |
| Rancho Santa Margarita to Onesti | 6,486.81 mi (10,439.52 km) |
| Rancho Santa Margarita to Oradea | 6,320.53 mi (10,171.90 km) |
| Rancho Santa Margarita to Orastie | 6,424.42 mi (10,339.11 km) |
| Rancho Santa Margarita to Oravita | 6,432.35 mi (10,351.87 km) |
| Rancho Santa Margarita to Orsova | 6,469.46 mi (10,411.60 km) |
| Rancho Santa Margarita to Otelu Rosu | 6,422.07 mi (10,335.33 km) |
| Rancho Santa Margarita to Otopeni | 6,573.03 mi (10,578.27 km) |
