| Tumba to Nasaud | 866.26 mi (1,394.12 km) |
| Tumba to Navodari | 1,123.67 mi (1,808.37 km) |
| Tumba to Negresti-Oas | 815.33 mi (1,312.14 km) |
| Tumba to Nehoiu | 1,019.88 mi (1,641.35 km) |
| Tumba to Ocna Mures | 919.47 mi (1,479.75 km) |
| Tumba to Odobesti | 1,004.24 mi (1,616.17 km) |
| Tumba to Odorheiu Secuiesc | 942.35 mi (1,516.56 km) |
| Tumba to Oltenita | 1,108.34 mi (1,783.71 km) |
| Tumba to Onesti | 967.45 mi (1,556.97 km) |
| Tumba to Oradea | 854.64 mi (1,375.41 km) |
| Tumba to Orastie | 948.99 mi (1,527.25 km) |
| Tumba to Oravita | 991.59 mi (1,595.82 km) |
| Tumba to Orsova | 1,018.34 mi (1,638.85 km) |
| Tumba to Otelu Rosu | 963.92 mi (1,551.28 km) |
| Tumba to Otopeni | 1,069.77 mi (1,721.63 km) |
