| Zionsville to Orangeburg (South Carolina) | 540.66 mi (870.10 km) |
| Zionsville to Orangevale (California) | 1,855.34 mi (2,985.89 km) |
| Zionsville to Orchards (Washington) | 1,859.70 mi (2,992.90 km) |
| Zionsville to Orcutt (California) | 1,892.41 mi (3,045.53 km) |
| Zionsville to Oregon (Ohio) | 189.64 mi (305.19 km) |
| Zionsville to Oregon (Wisconsin) | 257.70 mi (414.72 km) |
| Zionsville to Oregon City (Oregon) | 1,863.19 mi (2,998.52 km) |
| Zionsville to Orem (Utah) | 1,336.12 mi (2,150.27 km) |
| Zionsville to Orinda (California) | 1,919.84 mi (3,089.69 km) |
| Zionsville to Orland Park (Illinois) | 137.89 mi (221.90 km) |
| Zionsville to Orlando (Florida) | 844.40 mi (1,358.92 km) |
| Zionsville to Ormond Beach (Florida) | 795.59 mi (1,280.37 km) |
| Zionsville to Oro Valley (Arizona) | 1,464.92 mi (2,357.55 km) |
| Zionsville to Oroville (California) | 1,860.40 mi (2,994.03 km) |
| Zionsville to Oshkosh (Wisconsin) | 301.49 mi (485.21 km) |
