| Frauenfeld to Radauti | 790.12 mi (1,271.57 km) |
| Frauenfeld to Ramnicu Sarat | 875.07 mi (1,408.28 km) |
| Frauenfeld to Ramnicu Valcea | 756.06 mi (1,216.77 km) |
| Frauenfeld to Rasnov | 796.52 mi (1,281.88 km) |
| Frauenfeld to Reghin | 743.27 mi (1,196.18 km) |
| Frauenfeld to Resita | 637.00 mi (1,025.15 km) |
| Frauenfeld to Roman | 844.96 mi (1,359.83 km) |
| Frauenfeld to Rosiori de Vede | 808.71 mi (1,301.49 km) |
| Frauenfeld to Rovinari | 704.47 mi (1,133.73 km) |
| Frauenfeld to Roznov | 826.58 mi (1,330.26 km) |
| Frauenfeld to Sabaoani | 840.27 mi (1,352.28 km) |
| Frauenfeld to Sacele | 807.63 mi (1,299.76 km) |
| Frauenfeld to Sacueni | 615.74 mi (990.94 km) |
| Frauenfeld to Salcea | 812.23 mi (1,307.15 km) |
| Frauenfeld to Salonta | 600.38 mi (966.22 km) |
