| Irondale to Redondela | 4,147.83 mi (6,675.29 km) |
| Irondale to Reinosa | 4,343.10 mi (6,989.55 km) |
| Irondale to Requena | 4,584.17 mi (7,377.51 km) |
| Irondale to Reus | 4,640.67 mi (7,468.44 km) |
| Irondale to Rianxo | 4,129.73 mi (6,646.16 km) |
| Irondale to Ribadeo | 4,193.57 mi (6,748.90 km) |
| Irondale to Rincon de la Victoria | 4,506.92 mi (7,253.18 km) |
| Irondale to Ripoll | 4,660.01 mi (7,499.57 km) |
| Irondale to Ripollet | 4,679.56 mi (7,531.02 km) |
| Irondale to Rojales | 4,643.78 mi (7,473.44 km) |
| Irondale to Ronda | 4,461.86 mi (7,180.66 km) |
| Irondale to Roquetas de Mar | 4,589.35 mi (7,385.84 km) |
| Irondale to Rosas | 4,703.50 mi (7,569.56 km) |
| Irondale to Rubi | 4,673.84 mi (7,521.82 km) |
| Irondale to Rute | 4,485.62 mi (7,218.90 km) |
