| Philadelphia to Rhondda | 3,400.82 mi (5,473.09 km) |
| Philadelphia to Rhosllanerchrugog | 3,389.59 mi (5,455.02 km) |
| Philadelphia to Rhyl | 3,366.93 mi (5,418.55 km) |
| Philadelphia to Rhymney | 3,403.60 mi (5,477.57 km) |
| Philadelphia to Richmond | 3,532.02 mi (5,684.24 km) |
| Philadelphia to Rickmansworth | 3,521.37 mi (5,667.09 km) |
| Philadelphia to Ripley | 3,454.64 mi (5,559.70 km) |
| Philadelphia to Ripon | 3,429.54 mi (5,519.30 km) |
| Philadelphia to Risca | 3,414.42 mi (5,494.98 km) |
| Philadelphia to Rochdale | 3,414.09 mi (5,494.45 km) |
| Philadelphia to Rochester | 3,566.52 mi (5,739.77 km) |
| Philadelphia to Rock Ferry | 3,384.83 mi (5,447.36 km) |
| Philadelphia to Rogerstone | 3,416.29 mi (5,497.99 km) |
| Philadelphia to Romford | 3,549.02 mi (5,711.60 km) |
| Philadelphia to Romsey | 3,492.84 mi (5,621.18 km) |
