| Simi Valley to Nasaud | 6,356.89 mi (10,230.43 km) |
| Simi Valley to Navodari | 6,632.89 mi (10,674.61 km) |
| Simi Valley to Negresti-Oas | 6,298.90 mi (10,137.09 km) |
| Simi Valley to Nehoiu | 6,517.45 mi (10,488.82 km) |
| Simi Valley to Ocna Mures | 6,397.48 mi (10,295.75 km) |
| Simi Valley to Odobesti | 6,509.55 mi (10,476.12 km) |
| Simi Valley to Odorheiu Secuiesc | 6,436.03 mi (10,357.78 km) |
| Simi Valley to Oltenita | 6,602.24 mi (10,625.28 km) |
| Simi Valley to Onesti | 6,472.84 mi (10,417.02 km) |
| Simi Valley to Oradea | 6,309.91 mi (10,154.81 km) |
| Simi Valley to Orastie | 6,413.66 mi (10,321.78 km) |
| Simi Valley to Oravita | 6,423.41 mi (10,337.48 km) |
| Simi Valley to Orsova | 6,460.17 mi (10,396.63 km) |
| Simi Valley to Otelu Rosu | 6,412.24 mi (10,319.50 km) |
| Simi Valley to Otopeni | 6,560.77 mi (10,558.53 km) |
