| Big Spring to Radauti | 6,017.80 mi (9,684.71 km) |
| Big Spring to Ramnicu Sarat | 6,180.66 mi (9,946.81 km) |
| Big Spring to Ramnicu Valcea | 6,106.72 mi (9,827.81 km) |
| Big Spring to Rasnov | 6,117.87 mi (9,845.76 km) |
| Big Spring to Reghin | 6,033.50 mi (9,709.98 km) |
| Big Spring to Resita | 6,012.67 mi (9,676.46 km) |
| Big Spring to Roman | 6,096.30 mi (9,811.05 km) |
| Big Spring to Rosiori de Vede | 6,177.63 mi (9,941.93 km) |
| Big Spring to Rovinari | 6,075.35 mi (9,777.33 km) |
| Big Spring to Roznov | 6,088.04 mi (9,797.75 km) |
| Big Spring to Sabaoani | 6,089.32 mi (9,799.81 km) |
| Big Spring to Sacele | 6,124.65 mi (9,856.67 km) |
| Big Spring to Sacueni | 5,919.24 mi (9,526.10 km) |
| Big Spring to Salcea | 6,041.71 mi (9,723.20 km) |
| Big Spring to Salonta | 5,931.47 mi (9,545.77 km) |
