| Owings Mills to Rhondda | 3,495.10 mi (5,624.82 km) |
| Owings Mills to Rhosllanerchrugog | 3,483.06 mi (5,605.44 km) |
| Owings Mills to Rhyl | 3,460.26 mi (5,568.74 km) |
| Owings Mills to Rhymney | 3,497.80 mi (5,629.16 km) |
| Owings Mills to Richmond | 3,626.07 mi (5,835.59 km) |
| Owings Mills to Rickmansworth | 3,615.34 mi (5,818.32 km) |
| Owings Mills to Ripley | 3,547.92 mi (5,709.82 km) |
| Owings Mills to Ripon | 3,522.15 mi (5,668.35 km) |
| Owings Mills to Risca | 3,508.67 mi (5,646.66 km) |
| Owings Mills to Rochdale | 3,507.11 mi (5,644.14 km) |
| Owings Mills to Rochester | 3,660.53 mi (5,891.05 km) |
| Owings Mills to Rock Ferry | 3,478.08 mi (5,597.43 km) |
| Owings Mills to Rogerstone | 3,510.55 mi (5,649.69 km) |
| Owings Mills to Romford | 3,642.95 mi (5,862.77 km) |
| Owings Mills to Romsey | 3,587.25 mi (5,773.12 km) |
