| Foster City to Redondela | 5,522.76 mi (8,888.03 km) |
| Foster City to Reinosa | 5,652.83 mi (9,097.35 km) |
| Foster City to Requena | 5,937.21 mi (9,555.01 km) |
| Foster City to Reus | 5,930.08 mi (9,543.53 km) |
| Foster City to Rianxo | 5,498.15 mi (8,848.42 km) |
| Foster City to Ribadeo | 5,522.48 mi (8,887.57 km) |
| Foster City to Rincon de la Victoria | 5,955.97 mi (9,585.21 km) |
| Foster City to Ripoll | 5,912.58 mi (9,515.37 km) |
| Foster City to Ripollet | 5,948.21 mi (9,572.72 km) |
| Foster City to Rojales | 6,021.97 mi (9,691.43 km) |
| Foster City to Ronda | 5,920.57 mi (9,528.24 km) |
| Foster City to Roquetas de Mar | 6,017.90 mi (9,684.87 km) |
| Foster City to Rosas | 5,942.14 mi (9,562.95 km) |
| Foster City to Rubi | 5,944.16 mi (9,566.20 km) |
| Foster City to Rute | 5,923.22 mi (9,532.51 km) |
