| Santo Tirso to Romeoville (Illinois) | 3,961.35 mi (6,375.17 km) |
| Santo Tirso to Romulus (Michigan) | 3,726.60 mi (5,997.39 km) |
| Santo Tirso to Ronkonkoma (New York) | 3,285.87 mi (5,288.10 km) |
| Santo Tirso to Roosevelt (New York) | 3,311.34 mi (5,329.08 km) |
| Santo Tirso to Rosamond (California) | 5,544.66 mi (8,923.27 km) |
| Santo Tirso to Rosaryville (Maryland) | 3,523.14 mi (5,669.95 km) |
| Santo Tirso to Roscoe (Illinois) | 3,975.98 mi (6,398.73 km) |
| Santo Tirso to Rose Hill (Virginia) | 3,536.17 mi (5,690.91 km) |
| Santo Tirso to Roseburg (Oregon) | 5,331.97 mi (8,580.98 km) |
| Santo Tirso to Rosedale (California) | 5,559.38 mi (8,946.96 km) |
| Santo Tirso to Rosedale (Maryland) | 3,490.94 mi (5,618.13 km) |
| Santo Tirso to Roselle (Illinois) | 3,949.20 mi (6,355.62 km) |
| Santo Tirso to Roselle (New Jersey) | 3,344.57 mi (5,382.56 km) |
| Santo Tirso to Roselle Park (New Jersey) | 3,344.54 mi (5,382.52 km) |
| Santo Tirso to Rosemead (California) | 5,577.61 mi (8,976.30 km) |
