| Princeton to Redondela | 4,151.18 mi (6,680.68 km) |
| Princeton to Reinosa | 4,367.12 mi (7,028.20 km) |
| Princeton to Requena | 4,574.17 mi (7,361.41 km) |
| Princeton to Reus | 4,657.83 mi (7,496.05 km) |
| Princeton to Rianxo | 4,137.39 mi (6,658.49 km) |
| Princeton to Ribadeo | 4,216.96 mi (6,786.55 km) |
| Princeton to Rincon de la Victoria | 4,452.88 mi (7,166.22 km) |
| Princeton to Ripoll | 4,693.07 mi (7,552.76 km) |
| Princeton to Ripollet | 4,704.20 mi (7,570.68 km) |
| Princeton to Rojales | 4,618.38 mi (7,432.56 km) |
| Princeton to Ronda | 4,405.11 mi (7,089.35 km) |
| Princeton to Roquetas de Mar | 4,541.61 mi (7,309.01 km) |
| Princeton to Rosas | 4,740.50 mi (7,629.11 km) |
| Princeton to Rubi | 4,698.03 mi (7,560.76 km) |
| Princeton to Rute | 4,438.60 mi (7,143.23 km) |
