| Buffalo Grove to Redondela | 3,898.54 mi (6,274.10 km) |
| Buffalo Grove to Reinosa | 4,071.32 mi (6,552.16 km) |
| Buffalo Grove to Requena | 4,334.11 mi (6,975.08 km) |
| Buffalo Grove to Reus | 4,366.88 mi (7,027.81 km) |
| Buffalo Grove to Rianxo | 3,877.38 mi (6,240.04 km) |
| Buffalo Grove to Ribadeo | 3,926.38 mi (6,318.90 km) |
| Buffalo Grove to Rincon de la Victoria | 4,295.91 mi (6,913.60 km) |
| Buffalo Grove to Ripoll | 4,372.89 mi (7,037.48 km) |
| Buffalo Grove to Ripollet | 4,398.74 mi (7,079.09 km) |
| Buffalo Grove to Rojales | 4,404.99 mi (7,089.15 km) |
| Buffalo Grove to Ronda | 4,254.40 mi (6,846.79 km) |
| Buffalo Grove to Roquetas de Mar | 4,370.77 mi (7,034.08 km) |
| Buffalo Grove to Rosas | 4,412.17 mi (7,100.70 km) |
| Buffalo Grove to Rubi | 4,393.53 mi (7,070.71 km) |
| Buffalo Grove to Rute | 4,269.23 mi (6,870.65 km) |
