| Brookhaven to Olympia Heights (Florida) | 611.74 mi (984.50 km) |
| Brookhaven to Omaha (Nebraska) | 818.87 mi (1,317.85 km) |
| Brookhaven to On Top of the World Designated Place (Florida) | 350.78 mi (564.53 km) |
| Brookhaven to Onalaska (Wisconsin) | 783.84 mi (1,261.47 km) |
| Brookhaven to Oneida (New York) | 789.08 mi (1,269.90 km) |
| Brookhaven to Oneonta (New York) | 776.69 mi (1,249.96 km) |
| Brookhaven to Ontario (California) | 1,898.48 mi (3,055.30 km) |
| Brookhaven to Ontario (Oregon) | 1,873.92 mi (3,015.78 km) |
| Brookhaven to Opa-locka (Florida) | 602.51 mi (969.65 km) |
| Brookhaven to Opelika (Alabama) | 103.31 mi (166.26 km) |
| Brookhaven to Opelousas (Louisiana) | 508.58 mi (818.48 km) |
| Brookhaven to Orange (California) | 1,913.32 mi (3,079.19 km) |
| Brookhaven to Orange (Texas) | 609.95 mi (981.61 km) |
| Brookhaven to Orange City (Florida) | 385.54 mi (620.47 km) |
| Brookhaven to Orangeburg (South Carolina) | 200.90 mi (323.32 km) |
