| Risca to Spout Springs (North Carolina) | 3,789.56 mi (6,098.70 km) |
| Risca to Spring (Texas) | 4,713.22 mi (7,585.19 km) |
| Risca to Spring Creek (Nevada) | 4,880.95 mi (7,855.13 km) |
| Risca to Spring Hill (Florida) | 4,264.37 mi (6,862.84 km) |
| Risca to Spring Hill (Tennessee) | 4,090.01 mi (6,582.23 km) |
| Risca to Spring Lake (North Carolina) | 3,792.14 mi (6,102.86 km) |
| Risca to Spring Valley (California) | 5,371.68 mi (8,644.88 km) |
| Risca to Spring Valley (Nevada) | 5,126.39 mi (8,250.13 km) |
| Risca to Spring Valley (New York) | 3,322.24 mi (5,346.62 km) |
| Risca to Springboro (Ohio) | 3,803.37 mi (6,120.94 km) |
| Risca to Springdale (Arkansas) | 4,355.20 mi (7,009.02 km) |
| Risca to Springdale (New Jersey) | 3,413.45 mi (5,493.41 km) |
| Risca to Springdale (Ohio) | 3,825.41 mi (6,156.41 km) |
| Risca to Springfield (Illinois) | 4,006.96 mi (6,448.58 km) |
| Risca to Springfield (Massachusetts) | 3,218.34 mi (5,179.41 km) |
