| Tulcea to Spout Springs (North Carolina) | 5,285.52 mi (8,506.22 km) |
| Tulcea to Spring (Texas) | 6,168.19 mi (9,926.75 km) |
| Tulcea to Spring Creek (Nevada) | 6,103.92 mi (9,823.31 km) |
| Tulcea to Spring Hill (Florida) | 5,770.21 mi (9,286.25 km) |
| Tulcea to Spring Hill (Tennessee) | 5,557.10 mi (8,943.29 km) |
| Tulcea to Spring Lake (North Carolina) | 5,288.49 mi (8,511.00 km) |
| Tulcea to Spring Valley (California) | 6,641.19 mi (10,687.96 km) |
| Tulcea to Spring Valley (Nevada) | 6,389.18 mi (10,282.40 km) |
| Tulcea to Spring Valley (New York) | 4,809.44 mi (7,740.05 km) |
| Tulcea to Springboro (Ohio) | 5,261.98 mi (8,468.33 km) |
| Tulcea to Springdale (Arkansas) | 5,784.13 mi (9,308.66 km) |
| Tulcea to Springdale (New Jersey) | 4,903.41 mi (7,891.27 km) |
| Tulcea to Springdale (Ohio) | 5,284.49 mi (8,504.57 km) |
| Tulcea to Springfield (Illinois) | 5,438.39 mi (8,752.24 km) |
| Tulcea to Springfield (Massachusetts) | 4,705.27 mi (7,572.40 km) |
