| San Gwann to Dover (New Jersey) | 4,614.42 mi (7,426.19 km) |
| San Gwann to Dover (Ohio) | 4,940.49 mi (7,950.95 km) |
| San Gwann to Downers Grove (Illinois) | 5,176.20 mi (8,330.29 km) |
| San Gwann to Downey (California) | 6,724.43 mi (10,821.93 km) |
| San Gwann to Dranesville (Virginia) | 4,808.08 mi (7,737.85 km) |
| San Gwann to Draper (Utah) | 6,155.47 mi (9,906.27 km) |
| San Gwann to Drexel Heights (Arizona) | 6,561.00 mi (10,558.90 km) |
| San Gwann to Drexel Hill (Pennsylvania) | 4,679.74 mi (7,531.31 km) |
| San Gwann to Duarte (California) | 6,705.90 mi (10,792.10 km) |
| San Gwann to Dublin (California) | 6,634.82 mi (10,677.70 km) |
| San Gwann to Dublin (Georgia) | 5,310.16 mi (8,545.88 km) |
| San Gwann to Dublin (Ohio) | 5,030.08 mi (8,095.13 km) |
| San Gwann to Dubuque (Iowa) | 5,259.68 mi (8,464.63 km) |
| San Gwann to Duluth (Georgia) | 5,310.68 mi (8,546.72 km) |
| San Gwann to Duluth (Minnesota) | 5,141.30 mi (8,274.12 km) |
