| Targu Secuiesc to Oberriet | 789.76 mi (1,270.99 km) |
| Targu Secuiesc to Obersiggenthal | 849.44 mi (1,367.04 km) |
| Targu Secuiesc to Oberwil | 883.87 mi (1,422.45 km) |
| Targu Secuiesc to Oberwingert | 827.20 mi (1,331.26 km) |
| Targu Secuiesc to Oftringen | 867.03 mi (1,395.35 km) |
| Targu Secuiesc to Olten | 867.79 mi (1,396.57 km) |
| Targu Secuiesc to Onex | 957.84 mi (1,541.49 km) |
| Targu Secuiesc to Opfikon | 836.59 mi (1,346.36 km) |
| Targu Secuiesc to Ostermundigen | 887.81 mi (1,428.80 km) |
| Targu Secuiesc to Payerne | 914.54 mi (1,471.81 km) |
| Targu Secuiesc to Pfaffikon | 826.44 mi (1,330.03 km) |
| Targu Secuiesc to Plan-les-Ouates | 957.17 mi (1,540.42 km) |
| Targu Secuiesc to Pratteln | 877.09 mi (1,411.53 km) |
| Targu Secuiesc to Prilly | 931.72 mi (1,499.46 km) |
| Targu Secuiesc to Pully | 928.66 mi (1,494.53 km) |
