| Santarem to Romeoville (Illinois) | 4,023.13 mi (6,474.60 km) |
| Santarem to Romulus (Michigan) | 3,785.51 mi (6,092.19 km) |
| Santarem to Ronkonkoma (New York) | 3,331.57 mi (5,361.64 km) |
| Santarem to Roosevelt (New York) | 3,357.08 mi (5,402.69 km) |
| Santarem to Rosamond (California) | 5,625.88 mi (9,053.98 km) |
| Santarem to Rosaryville (Maryland) | 3,566.47 mi (5,739.68 km) |
| Santarem to Roscoe (Illinois) | 4,040.51 mi (6,502.57 km) |
| Santarem to Rose Hill (Virginia) | 3,579.84 mi (5,761.19 km) |
| Santarem to Roseburg (Oregon) | 5,430.95 mi (8,740.26 km) |
| Santarem to Rosedale (California) | 5,642.59 mi (9,080.87 km) |
| Santarem to Rosedale (Maryland) | 3,535.53 mi (5,689.89 km) |
| Santarem to Roselle (Illinois) | 4,011.81 mi (6,456.38 km) |
| Santarem to Roselle (New Jersey) | 3,390.85 mi (5,457.05 km) |
| Santarem to Roselle Park (New Jersey) | 3,390.87 mi (5,457.07 km) |
| Santarem to Rosemead (California) | 5,657.43 mi (9,104.75 km) |
