| Tucson to Radauti | 6,296.33 mi (10,132.97 km) |
| Tucson to Ramnicu Sarat | 6,466.73 mi (10,407.20 km) |
| Tucson to Ramnicu Valcea | 6,406.11 mi (10,309.63 km) |
| Tucson to Rasnov | 6,410.00 mi (10,315.90 km) |
| Tucson to Reghin | 6,322.78 mi (10,175.54 km) |
| Tucson to Resita | 6,321.62 mi (10,173.66 km) |
| Tucson to Roman | 6,375.10 mi (10,259.73 km) |
| Tucson to Rosiori de Vede | 6,479.40 mi (10,427.58 km) |
| Tucson to Rovinari | 6,380.97 mi (10,269.17 km) |
| Tucson to Roznov | 6,369.17 mi (10,250.18 km) |
| Tucson to Sabaoani | 6,368.03 mi (10,248.35 km) |
| Tucson to Sacele | 6,415.54 mi (10,324.82 km) |
| Tucson to Sacueni | 6,216.44 mi (10,004.40 km) |
| Tucson to Salcea | 6,319.28 mi (10,169.90 km) |
| Tucson to Salonta | 6,233.43 mi (10,031.74 km) |
