| Ramnicu Valcea to Oak Harbor (Washington) | 5,682.17 mi (9,144.57 km) |
| Ramnicu Valcea to Oak Hills (Oregon) | 5,861.63 mi (9,433.39 km) |
| Ramnicu Valcea to Oak Lawn (Illinois) | 5,124.13 mi (8,246.48 km) |
| Ramnicu Valcea to Oak Park (California) | 6,492.35 mi (10,448.42 km) |
| Ramnicu Valcea to Oak Park (Illinois) | 5,116.64 mi (8,234.44 km) |
| Ramnicu Valcea to Oak Park (Michigan) | 4,923.92 mi (7,924.28 km) |
| Ramnicu Valcea to Oak Ridge (Florida) | 5,546.68 mi (8,926.52 km) |
| Ramnicu Valcea to Oak Ridge (New Jersey) | 4,662.74 mi (7,503.95 km) |
| Ramnicu Valcea to Oak Ridge (Tennessee) | 5,286.82 mi (8,508.31 km) |
| Ramnicu Valcea to Oakdale (California) | 6,315.43 mi (10,163.71 km) |
| Ramnicu Valcea to Oakdale (Minnesota) | 5,129.76 mi (8,255.55 km) |
| Ramnicu Valcea to Oakland (California) | 6,343.23 mi (10,208.43 km) |
| Ramnicu Valcea to Oakland (New Jersey) | 4,652.69 mi (7,487.78 km) |
| Ramnicu Valcea to Oakland Park (Florida) | 5,607.84 mi (9,024.95 km) |
| Ramnicu Valcea to Oakleaf Plantation (Florida) | 5,479.09 mi (8,817.75 km) |
