| Owings Mills to Redondela | 3,470.82 mi (5,585.74 km) |
| Owings Mills to Reinosa | 3,663.65 mi (5,896.08 km) |
| Owings Mills to Requena | 3,907.73 mi (6,288.88 km) |
| Owings Mills to Reus | 3,961.33 mi (6,375.14 km) |
| Owings Mills to Rianxo | 3,452.26 mi (5,555.88 km) |
| Owings Mills to Ribadeo | 3,514.41 mi (5,655.90 km) |
| Owings Mills to Rincon de la Victoria | 3,837.96 mi (6,176.60 km) |
| Owings Mills to Ripoll | 3,979.61 mi (6,404.56 km) |
| Owings Mills to Ripollet | 3,999.62 mi (6,436.77 km) |
| Owings Mills to Rojales | 3,969.30 mi (6,387.96 km) |
| Owings Mills to Ronda | 3,793.65 mi (6,105.28 km) |
| Owings Mills to Roquetas de Mar | 3,918.83 mi (6,306.74 km) |
| Owings Mills to Rosas | 4,022.87 mi (6,474.18 km) |
| Owings Mills to Rubi | 3,993.94 mi (6,427.63 km) |
| Owings Mills to Rute | 3,815.36 mi (6,140.23 km) |
