| Tessenderlo to Navodari | 1,182.60 mi (1,903.21 km) |
| Tessenderlo to Negresti-Oas | 849.91 mi (1,367.80 km) |
| Tessenderlo to Nehoiu | 1,048.96 mi (1,688.14 km) |
| Tessenderlo to Ocna Mures | 911.40 mi (1,466.75 km) |
| Tessenderlo to Odobesti | 1,067.43 mi (1,717.87 km) |
| Tessenderlo to Odorheiu Secuiesc | 974.89 mi (1,568.94 km) |
| Tessenderlo to Oltenita | 1,108.67 mi (1,784.23 km) |
| Tessenderlo to Onesti | 1,039.16 mi (1,672.37 km) |
| Tessenderlo to Oradea | 808.19 mi (1,300.65 km) |
| Tessenderlo to Orastie | 901.73 mi (1,451.19 km) |
| Tessenderlo to Oravita | 869.56 mi (1,399.43 km) |
| Tessenderlo to Orsova | 910.56 mi (1,465.41 km) |
| Tessenderlo to Otelu Rosu | 878.53 mi (1,413.86 km) |
| Tessenderlo to Otopeni | 1,067.76 mi (1,718.40 km) |
| Tessenderlo to Ovidiu | 1,182.21 mi (1,902.58 km) |
