| Southborough to Punta Gorda (Florida) | 4,471.42 mi (7,196.05 km) |
| Southborough to Puyallup (Washington) | 4,836.94 mi (7,784.30 km) |
| Southborough to Queen Creek (Arizona) | 5,293.45 mi (8,518.98 km) |
| Southborough to Queens (New York) | 3,474.77 mi (5,592.11 km) |
| Southborough to Quincy (Illinois) | 4,208.54 mi (6,772.99 km) |
| Southborough to Quincy (Massachusetts) | 3,297.58 mi (5,306.94 km) |
| Southborough to Raceland (Louisiana) | 4,685.23 mi (7,540.14 km) |
| Southborough to Racine (Wisconsin) | 3,941.63 mi (6,343.44 km) |
| Southborough to Radcliff (Kentucky) | 4,097.76 mi (6,594.70 km) |
| Southborough to Radford (Virginia) | 3,913.77 mi (6,298.60 km) |
| Southborough to Rahway (New Jersey) | 3,500.70 mi (5,633.83 km) |
| Southborough to Raleigh (North Carolina) | 3,894.93 mi (6,268.29 km) |
| Southborough to Ramona (California) | 5,482.02 mi (8,822.46 km) |
| Southborough to Ramsey (Minnesota) | 4,031.84 mi (6,488.63 km) |
| Southborough to Ramsey (New Jersey) | 3,475.75 mi (5,593.68 km) |
