| Thuin to Navodari | 1,206.18 mi (1,941.16 km) |
| Thuin to Negresti-Oas | 879.86 mi (1,416.00 km) |
| Thuin to Nehoiu | 1,072.91 mi (1,726.68 km) |
| Thuin to Ocna Mures | 935.95 mi (1,506.26 km) |
| Thuin to Odobesti | 1,093.64 mi (1,760.04 km) |
| Thuin to Odorheiu Secuiesc | 1,000.93 mi (1,610.85 km) |
| Thuin to Oltenita | 1,128.98 mi (1,816.92 km) |
| Thuin to Onesti | 1,066.66 mi (1,716.63 km) |
| Thuin to Oradea | 832.99 mi (1,340.57 km) |
| Thuin to Orastie | 923.27 mi (1,485.85 km) |
| Thuin to Oravita | 885.42 mi (1,424.95 km) |
| Thuin to Orsova | 926.46 mi (1,490.99 km) |
| Thuin to Otelu Rosu | 897.46 mi (1,444.32 km) |
| Thuin to Otopeni | 1,088.76 mi (1,752.19 km) |
| Thuin to Ovidiu | 1,205.57 mi (1,940.18 km) |
