| Suffolk to Odenton (Maryland) | 163.83 mi (263.66 km) |
| Suffolk to Odessa (Texas) | 1,499.77 mi (2,413.65 km) |
| Suffolk to Ogden (Utah) | 1,910.23 mi (3,074.22 km) |
| Suffolk to Oildale (California) | 2,349.82 mi (3,781.67 km) |
| Suffolk to Ojus (Florida) | 770.37 mi (1,239.78 km) |
| Suffolk to Okemos (Michigan) | 585.36 mi (942.04 km) |
| Suffolk to Oklahoma City (Oklahoma) | 1,166.37 mi (1,877.09 km) |
| Suffolk to Okmulgee (Oklahoma) | 1,081.19 mi (1,740.01 km) |
| Suffolk to Olathe (Kansas) | 1,002.40 mi (1,613.21 km) |
| Suffolk to Old Jamestown (Missouri) | 759.08 mi (1,221.61 km) |
| Suffolk to Oldsmar (Florida) | 692.84 mi (1,115.01 km) |
| Suffolk to Olean (New York) | 384.26 mi (618.41 km) |
| Suffolk to Olive Branch (Mississippi) | 748.87 mi (1,205.18 km) |
| Suffolk to Olivehurst (California) | 2,429.88 mi (3,910.51 km) |
| Suffolk to Olney (Maryland) | 170.99 mi (275.18 km) |
