| Tulcea to Carson (California) | 6,599.86 mi (10,621.45 km) |
| Tulcea to Carson City (Nevada) | 6,290.87 mi (10,124.18 km) |
| Tulcea to Carteret (New Jersey) | 4,841.29 mi (7,791.30 km) |
| Tulcea to Cartersville (Georgia) | 5,562.45 mi (8,951.91 km) |
| Tulcea to Carthage (Missouri) | 5,736.24 mi (9,231.59 km) |
| Tulcea to Cary (Illinois) | 5,261.81 mi (8,468.07 km) |
| Tulcea to Cary (North Carolina) | 5,251.77 mi (8,451.91 km) |
| Tulcea to Casa de Oro-Mount Helix (California) | 6,638.96 mi (10,684.38 km) |
| Tulcea to Casa Grande (Arizona) | 6,501.85 mi (10,463.72 km) |
| Tulcea to Casas Adobes (Arizona) | 6,516.86 mi (10,487.88 km) |
| Tulcea to Cascades (Virginia) | 5,035.71 mi (8,104.19 km) |
| Tulcea to Casper (Wyoming) | 5,757.18 mi (9,265.29 km) |
| Tulcea to Casselberry (Florida) | 5,712.09 mi (9,192.72 km) |
| Tulcea to Castaic (California) | 6,566.96 mi (10,568.49 km) |
| Tulcea to Castle Pines (Colorado) | 5,920.43 mi (9,528.01 km) |
