| Frauenfeld to Curtea de Arges | 769.37 mi (1,238.18 km) |
| Frauenfeld to Dabuleni | 776.26 mi (1,249.27 km) |
| Frauenfeld to Darabani | 819.27 mi (1,318.48 km) |
| Frauenfeld to Darmanesti | 831.20 mi (1,337.69 km) |
| Frauenfeld to Dej | 697.82 mi (1,123.03 km) |
| Frauenfeld to Deva | 672.91 mi (1,082.95 km) |
| Frauenfeld to Dolhasca | 825.05 mi (1,327.80 km) |
| Frauenfeld to Dorohoi | 811.64 mi (1,306.21 km) |
| Frauenfeld to Draganesti-Olt | 785.92 mi (1,264.82 km) |
| Frauenfeld to Dragasani | 761.01 mi (1,224.72 km) |
| Frauenfeld to Drobeta-Turnu Severin | 687.91 mi (1,107.08 km) |
| Frauenfeld to Fagaras | 769.35 mi (1,238.14 km) |
| Frauenfeld to Falticeni | 810.46 mi (1,304.30 km) |
| Frauenfeld to Fetesti | 931.46 mi (1,499.04 km) |
| Frauenfeld to Filiasi | 733.69 mi (1,180.75 km) |
