| Allentown to Redondela | 3,372.36 mi (5,427.28 km) |
| Allentown to Reinosa | 3,563.43 mi (5,734.79 km) |
| Allentown to Requena | 3,809.49 mi (6,130.78 km) |
| Allentown to Reus | 3,861.14 mi (6,213.91 km) |
| Allentown to Rianxo | 3,353.51 mi (5,396.96 km) |
| Allentown to Ribadeo | 3,414.46 mi (5,495.04 km) |
| Allentown to Rincon de la Victoria | 3,743.33 mi (6,024.31 km) |
| Allentown to Ripoll | 3,878.41 mi (6,241.69 km) |
| Allentown to Ripollet | 3,898.91 mi (6,274.69 km) |
| Allentown to Rojales | 3,872.10 mi (6,231.54 km) |
| Allentown to Ronda | 3,699.35 mi (5,953.53 km) |
| Allentown to Roquetas de Mar | 3,823.50 mi (6,153.32 km) |
| Allentown to Rosas | 3,921.39 mi (6,310.86 km) |
| Allentown to Rubi | 3,893.27 mi (6,265.61 km) |
| Allentown to Rute | 3,720.19 mi (5,987.07 km) |
