| Risca to Columbia (Illinois) | 4,091.16 mi (6,584.09 km) |
| Risca to Columbia (Maryland) | 3,520.79 mi (5,666.16 km) |
| Risca to Columbia (Missouri) | 4,149.58 mi (6,678.10 km) |
| Risca to Columbia (Pennsylvania) | 3,469.12 mi (5,583.01 km) |
| Risca to Columbia (South Carolina) | 3,925.47 mi (6,317.44 km) |
| Risca to Columbia (Tennessee) | 4,101.29 mi (6,600.38 km) |
| Risca to Columbia Heights (Minnesota) | 3,896.40 mi (6,270.66 km) |
| Risca to Columbine (Colorado) | 4,588.69 mi (7,384.78 km) |
| Risca to Columbus (Georgia) | 4,163.57 mi (6,700.62 km) |
| Risca to Columbus (Indiana) | 3,886.57 mi (6,254.84 km) |
| Risca to Columbus (Mississippi) | 4,259.14 mi (6,854.42 km) |
| Risca to Columbus (Nebraska) | 4,218.04 mi (6,788.28 km) |
| Risca to Columbus (Ohio) | 3,734.14 mi (6,009.52 km) |
| Risca to Commack (New York) | 3,302.28 mi (5,314.50 km) |
| Risca to Commerce (California) | 5,339.70 mi (8,593.41 km) |
